20931002144

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{3659}}^1\times {\mathrm{13751}}^1$

素因数の和:17433

約数の個数: 48

約数和(自身を含む): 44393106240

約数和(自身を除く): 23462104096

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 3659, 7318, 13751, 14636, 27502, 29272, 47567, 55004, 58544, 95134, 110008, 117088, 178763, 190268, 220016, 357526, 380536, 440032, 715052, 761072, 1430104, 1522144, 2860208, 5720416, 50314909, 100629818, 201259636, 402519272, 654093817, 805038544, 1308187634, 1610077088, 2616375268, 5232750536, 10465501072, 20931002144]

約数ペア:

[(1, 20931002144), (2, 10465501072), (4, 5232750536), (8, 2616375268), (13, 1610077088), (16, 1308187634), (26, 805038544), (32, 654093817), (52, 402519272), (104, 201259636), (208, 100629818), (416, 50314909), (3659, 5720416), (7318, 2860208), (13751, 1522144), (14636, 1430104), (27502, 761072), (29272, 715052), (47567, 440032), (55004, 380536), (58544, 357526), (95134, 220016), (110008, 190268), (117088, 178763)]