20073680025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{911}}^1$

素因数の和:1044

約数の個数: 144

約数和(自身を含む): 40838338560

約数和(自身を除く): 20764658535

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 47, 57, 75, 95, 105, 133, 141, 175, 235, 285, 329, 399, 475, 525, 665, 705, 893, 911, 987, 1175, 1425, 1645, 1995, 2209, 2679, 2733, 3325, 3525, 4465, 4555, 4935, 6251, 6377, 6627, 8225, 9975, 11045, 13395, 13665, 15463, 17309, 18753, 19131, 22325, 22775, 24675, 31255, 31885, 33135, 41971, 42817, 46389, 51927, 55225, 66975, 68325, 77315, 86545, 93765, 95655, 121163, 125913, 128451, 156275, 159425, 165675, 209855, 214085, 231945, 259635, 293797, 299719, 363489, 386575, 432725, 468825, 478275, 605815, 629565, 642255, 813523, 881391, 899157, 1049275, 1070425, 1159725, 1298175, 1468985, 1498595, 1817445, 2012399, 2440569, 3029075, 3147825, 3211275, 4067615, 4406955, 4495785, 5694661, 6037197, 7344925, 7492975, 9087225, 10061995, 12202845, 14086793, 17083983, 20338075, 22034775, 22478925, 28473305, 30185985, 38235581, 42260379, 50309975, 61014225, 70433965, 85419915, 114706743, 142366525, 150929925, 191177905, 211301895, 267649067, 352169825, 427099575, 573533715, 802947201, 955889525, 1056509475, 1338245335, 2867668575, 4014736005, 6691226675, 20073680025]

約数ペア:

[(1, 20073680025), (3, 6691226675), (5, 4014736005), (7, 2867668575), (15, 1338245335), (19, 1056509475), (21, 955889525), (25, 802947201), (35, 573533715), (47, 427099575), (57, 352169825), (75, 267649067), (95, 211301895), (105, 191177905), (133, 150929925), (141, 142366525), (175, 114706743), (235, 85419915), (285, 70433965), (329, 61014225), (399, 50309975), (475, 42260379), (525, 38235581), (665, 30185985), (705, 28473305), (893, 22478925), (911, 22034775), (987, 20338075), (1175, 17083983), (1425, 14086793), (1645, 12202845), (1995, 10061995), (2209, 9087225), (2679, 7492975), (2733, 7344925), (3325, 6037197), (3525, 5694661), (4465, 4495785), (4555, 4406955), (4935, 4067615), (6251, 3211275), (6377, 3147825), (6627, 3029075), (8225, 2440569), (9975, 2012399), (11045, 1817445), (13395, 1498595), (13665, 1468985), (15463, 1298175), (17309, 1159725), (18753, 1070425), (19131, 1049275), (22325, 899157), (22775, 881391), (24675, 813523), (31255, 642255), (31885, 629565), (33135, 605815), (41971, 478275), (42817, 468825), (46389, 432725), (51927, 386575), (55225, 363489), (66975, 299719), (68325, 293797), (77315, 259635), (86545, 231945), (93765, 214085), (95655, 209855), (121163, 165675), (125913, 159425), (128451, 156275)]