20135004560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{1301}}^1$

素因数の和:1777

約数の個数: 160

約数和(自身を含む): 52425394560

約数和(自身を除く): 32290390000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 409, 430, 440, 473, 688, 818, 860, 880, 946, 1301, 1636, 1720, 1892, 2045, 2365, 2602, 3272, 3440, 3784, 4090, 4499, 4730, 5204, 6505, 6544, 7568, 8180, 8998, 9460, 10408, 13010, 14311, 16360, 17587, 17996, 18920, 20816, 22495, 26020, 28622, 32720, 35174, 35992, 37840, 44990, 52040, 55943, 57244, 70348, 71555, 71984, 87935, 89980, 104080, 111886, 114488, 140696, 143110, 175870, 179960, 193457, 223772, 228976, 279715, 281392, 286220, 351740, 359920, 386914, 447544, 532109, 559430, 572440, 615373, 703480, 773828, 895088, 967285, 1064218, 1118860, 1144880, 1230746, 1406960, 1547656, 1934570, 2128436, 2237720, 2461492, 2660545, 3076865, 3095312, 3869140, 4256872, 4475440, 4922984, 5321090, 5853199, 6153730, 7738280, 8513744, 9845968, 10642180, 11706398, 12307460, 15476560, 21284360, 22880687, 23412796, 24614920, 29265995, 42568720, 45761374, 46825592, 49229840, 58531990, 91522748, 93651184, 114403435, 117063980, 183045496, 228806870, 234127960, 251687557, 366090992, 457613740, 468255920, 503375114, 915227480, 1006750228, 1258437785, 1830454960, 2013500456, 2516875570, 4027000912, 5033751140, 10067502280, 20135004560]

約数ペア:

[(1, 20135004560), (2, 10067502280), (4, 5033751140), (5, 4027000912), (8, 2516875570), (10, 2013500456), (11, 1830454960), (16, 1258437785), (20, 1006750228), (22, 915227480), (40, 503375114), (43, 468255920), (44, 457613740), (55, 366090992), (80, 251687557), (86, 234127960), (88, 228806870), (110, 183045496), (172, 117063980), (176, 114403435), (215, 93651184), (220, 91522748), (344, 58531990), (409, 49229840), (430, 46825592), (440, 45761374), (473, 42568720), (688, 29265995), (818, 24614920), (860, 23412796), (880, 22880687), (946, 21284360), (1301, 15476560), (1636, 12307460), (1720, 11706398), (1892, 10642180), (2045, 9845968), (2365, 8513744), (2602, 7738280), (3272, 6153730), (3440, 5853199), (3784, 5321090), (4090, 4922984), (4499, 4475440), (4730, 4256872), (5204, 3869140), (6505, 3095312), (6544, 3076865), (7568, 2660545), (8180, 2461492), (8998, 2237720), (9460, 2128436), (10408, 1934570), (13010, 1547656), (14311, 1406960), (16360, 1230746), (17587, 1144880), (17996, 1118860), (18920, 1064218), (20816, 967285), (22495, 895088), (26020, 773828), (28622, 703480), (32720, 615373), (35174, 572440), (35992, 559430), (37840, 532109), (44990, 447544), (52040, 386914), (55943, 359920), (57244, 351740), (70348, 286220), (71555, 281392), (71984, 279715), (87935, 228976), (89980, 223772), (104080, 193457), (111886, 179960), (114488, 175870), (140696, 143110)]