20565511840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:735

約数の個数: 192

約数和(自身を含む): 52103399040

約数和(自身を除く): 31537887200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 113, 131, 152, 160, 190, 226, 262, 304, 380, 452, 457, 524, 565, 608, 655, 760, 904, 914, 1048, 1130, 1310, 1520, 1808, 1828, 2096, 2147, 2260, 2285, 2489, 2620, 3040, 3616, 3656, 4192, 4294, 4520, 4570, 4978, 5240, 7312, 8588, 8683, 9040, 9140, 9956, 10480, 10735, 12445, 14624, 14803, 17176, 17366, 18080, 18280, 19912, 20960, 21470, 24890, 29606, 34352, 34732, 36560, 39824, 42940, 43415, 49780, 51641, 59212, 59867, 68704, 69464, 73120, 74015, 79648, 85880, 86830, 99560, 103282, 118424, 119734, 138928, 148030, 171760, 173660, 199120, 206564, 236848, 239468, 258205, 277856, 281257, 296060, 299335, 343520, 347320, 398240, 413128, 473696, 478936, 516410, 562514, 592120, 598670, 694640, 826256, 957872, 981179, 1032820, 1125028, 1137473, 1184240, 1197340, 1389280, 1406285, 1652512, 1915744, 1962358, 2065640, 2250056, 2274946, 2368480, 2394680, 2812570, 3924716, 4131280, 4500112, 4549892, 4789360, 4905895, 5625140, 5687365, 6764971, 7849432, 8262560, 9000224, 9099784, 9578720, 9811790, 11250280, 11374730, 13529942, 15698864, 18199568, 19623580, 22500560, 22749460, 27059884, 31397728, 33824855, 36399136, 39247160, 45001120, 45498920, 54119768, 67649710, 78494320, 90997840, 108239536, 128534449, 135299420, 156988640, 181995680, 216479072, 257068898, 270598840, 514137796, 541197680, 642672245, 1028275592, 1082395360, 1285344490, 2056551184, 2570688980, 4113102368, 5141377960, 10282755920, 20565511840]

約数ペア:

[(1, 20565511840), (2, 10282755920), (4, 5141377960), (5, 4113102368), (8, 2570688980), (10, 2056551184), (16, 1285344490), (19, 1082395360), (20, 1028275592), (32, 642672245), (38, 541197680), (40, 514137796), (76, 270598840), (80, 257068898), (95, 216479072), (113, 181995680), (131, 156988640), (152, 135299420), (160, 128534449), (190, 108239536), (226, 90997840), (262, 78494320), (304, 67649710), (380, 54119768), (452, 45498920), (457, 45001120), (524, 39247160), (565, 36399136), (608, 33824855), (655, 31397728), (760, 27059884), (904, 22749460), (914, 22500560), (1048, 19623580), (1130, 18199568), (1310, 15698864), (1520, 13529942), (1808, 11374730), (1828, 11250280), (2096, 9811790), (2147, 9578720), (2260, 9099784), (2285, 9000224), (2489, 8262560), (2620, 7849432), (3040, 6764971), (3616, 5687365), (3656, 5625140), (4192, 4905895), (4294, 4789360), (4520, 4549892), (4570, 4500112), (4978, 4131280), (5240, 3924716), (7312, 2812570), (8588, 2394680), (8683, 2368480), (9040, 2274946), (9140, 2250056), (9956, 2065640), (10480, 1962358), (10735, 1915744), (12445, 1652512), (14624, 1406285), (14803, 1389280), (17176, 1197340), (17366, 1184240), (18080, 1137473), (18280, 1125028), (19912, 1032820), (20960, 981179), (21470, 957872), (24890, 826256), (29606, 694640), (34352, 598670), (34732, 592120), (36560, 562514), (39824, 516410), (42940, 478936), (43415, 473696), (49780, 413128), (51641, 398240), (59212, 347320), (59867, 343520), (68704, 299335), (69464, 296060), (73120, 281257), (74015, 277856), (79648, 258205), (85880, 239468), (86830, 236848), (99560, 206564), (103282, 199120), (118424, 173660), (119734, 171760), (138928, 148030)]