20117282325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1\times {\mathrm{1171}}^1$

素因数の和:1995

約数の個数: 96

約数和(自身を含む): 38980457472

約数和(自身を除く): 18863175147

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 761, 903, 1075, 1171, 1505, 2283, 3225, 3513, 3805, 4515, 5327, 5855, 7525, 8197, 11415, 15981, 17565, 19025, 22575, 24591, 26635, 29275, 32723, 40985, 50353, 57075, 79905, 87825, 98169, 122955, 133175, 151059, 163615, 204925, 229061, 251765, 352471, 399525, 490845, 614775, 687183, 755295, 818075, 891131, 1057413, 1145305, 1258825, 1762355, 2454225, 2673393, 3435915, 3776475, 4455655, 5287065, 5726525, 6237917, 8811775, 13366965, 17179575, 18713751, 22278275, 26435325, 31189585, 38318633, 66834825, 93568755, 114955899, 155947925, 191593165, 268230431, 467843775, 574779495, 804691293, 957965825, 1341152155, 2873897475, 4023456465, 6705760775, 20117282325]

約数ペア:

[(1, 20117282325), (3, 6705760775), (5, 4023456465), (7, 2873897475), (15, 1341152155), (21, 957965825), (25, 804691293), (35, 574779495), (43, 467843775), (75, 268230431), (105, 191593165), (129, 155947925), (175, 114955899), (215, 93568755), (301, 66834825), (525, 38318633), (645, 31189585), (761, 26435325), (903, 22278275), (1075, 18713751), (1171, 17179575), (1505, 13366965), (2283, 8811775), (3225, 6237917), (3513, 5726525), (3805, 5287065), (4515, 4455655), (5327, 3776475), (5855, 3435915), (7525, 2673393), (8197, 2454225), (11415, 1762355), (15981, 1258825), (17565, 1145305), (19025, 1057413), (22575, 891131), (24591, 818075), (26635, 755295), (29275, 687183), (32723, 614775), (40985, 490845), (50353, 399525), (57075, 352471), (79905, 251765), (87825, 229061), (98169, 204925), (122955, 163615), (133175, 151059)]