20129615680

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:573

約数の個数: 224

約数和(自身を含む): 51922521504

約数和(自身を除く): 31792905824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 73, 80, 85, 136, 146, 160, 170, 173, 272, 292, 293, 320, 340, 346, 365, 544, 584, 586, 680, 692, 730, 865, 1088, 1168, 1172, 1241, 1360, 1384, 1460, 1465, 1730, 2336, 2344, 2482, 2720, 2768, 2920, 2930, 2941, 3460, 4672, 4688, 4964, 4981, 5440, 5536, 5840, 5860, 5882, 6205, 6920, 9376, 9928, 9962, 11072, 11680, 11720, 11764, 12410, 12629, 13840, 14705, 18752, 19856, 19924, 21389, 23360, 23440, 23528, 24820, 24905, 25258, 27680, 29410, 39712, 39848, 42778, 46880, 47056, 49640, 49810, 50516, 50689, 55360, 58820, 63145, 79424, 79696, 85556, 93760, 94112, 99280, 99620, 101032, 101378, 106945, 117640, 126290, 159392, 171112, 188224, 198560, 199240, 202064, 202756, 213890, 214693, 235280, 252580, 253445, 318784, 342224, 363613, 397120, 398480, 404128, 405512, 427780, 429386, 470560, 505160, 506890, 684448, 727226, 796960, 808256, 811024, 855560, 858772, 861713, 941120, 1010320, 1013780, 1073465, 1368896, 1454452, 1593920, 1622048, 1711120, 1717544, 1723426, 1818065, 2020640, 2027560, 2146930, 2908904, 3244096, 3422240, 3435088, 3446852, 3636130, 3700297, 4041280, 4055120, 4293860, 4308565, 5817808, 6844480, 6870176, 6893704, 7272260, 7400594, 8110240, 8587720, 8617130, 11635616, 13740352, 13787408, 14544520, 14801188, 16220480, 17175440, 17234260, 18501485, 23271232, 27574816, 29089040, 29602376, 34350880, 34468520, 37002970, 55149632, 58178080, 59204752, 62905049, 68701760, 68937040, 74005940, 116356160, 118409504, 125810098, 137874080, 148011880, 236819008, 251620196, 275748160, 296023760, 314525245, 503240392, 592047520, 629050490, 1006480784, 1184095040, 1258100980, 2012961568, 2516201960, 4025923136, 5032403920, 10064807840, 20129615680]

約数ペア:

[(1, 20129615680), (2, 10064807840), (4, 5032403920), (5, 4025923136), (8, 2516201960), (10, 2012961568), (16, 1258100980), (17, 1184095040), (20, 1006480784), (32, 629050490), (34, 592047520), (40, 503240392), (64, 314525245), (68, 296023760), (73, 275748160), (80, 251620196), (85, 236819008), (136, 148011880), (146, 137874080), (160, 125810098), (170, 118409504), (173, 116356160), (272, 74005940), (292, 68937040), (293, 68701760), (320, 62905049), (340, 59204752), (346, 58178080), (365, 55149632), (544, 37002970), (584, 34468520), (586, 34350880), (680, 29602376), (692, 29089040), (730, 27574816), (865, 23271232), (1088, 18501485), (1168, 17234260), (1172, 17175440), (1241, 16220480), (1360, 14801188), (1384, 14544520), (1460, 13787408), (1465, 13740352), (1730, 11635616), (2336, 8617130), (2344, 8587720), (2482, 8110240), (2720, 7400594), (2768, 7272260), (2920, 6893704), (2930, 6870176), (2941, 6844480), (3460, 5817808), (4672, 4308565), (4688, 4293860), (4964, 4055120), (4981, 4041280), (5440, 3700297), (5536, 3636130), (5840, 3446852), (5860, 3435088), (5882, 3422240), (6205, 3244096), (6920, 2908904), (9376, 2146930), (9928, 2027560), (9962, 2020640), (11072, 1818065), (11680, 1723426), (11720, 1717544), (11764, 1711120), (12410, 1622048), (12629, 1593920), (13840, 1454452), (14705, 1368896), (18752, 1073465), (19856, 1013780), (19924, 1010320), (21389, 941120), (23360, 861713), (23440, 858772), (23528, 855560), (24820, 811024), (24905, 808256), (25258, 796960), (27680, 727226), (29410, 684448), (39712, 506890), (39848, 505160), (42778, 470560), (46880, 429386), (47056, 427780), (49640, 405512), (49810, 404128), (50516, 398480), (50689, 397120), (55360, 363613), (58820, 342224), (63145, 318784), (79424, 253445), (79696, 252580), (85556, 235280), (93760, 214693), (94112, 213890), (99280, 202756), (99620, 202064), (101032, 199240), (101378, 198560), (106945, 188224), (117640, 171112), (126290, 159392)]