20267808544

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{127157}}^1$

素因数の和:127477

約数の個数: 48

約数和(自身を含む): 42393968568

約数和(自身を除く): 22126160024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 293, 544, 586, 1172, 2344, 4688, 4981, 9376, 9962, 19924, 39848, 79696, 127157, 159392, 254314, 508628, 1017256, 2034512, 2161669, 4069024, 4323338, 8646676, 17293352, 34586704, 37257001, 69173408, 74514002, 149028004, 298056008, 596112016, 633369017, 1192224032, 1266738034, 2533476068, 5066952136, 10133904272, 20267808544]

約数ペア:

[(1, 20267808544), (2, 10133904272), (4, 5066952136), (8, 2533476068), (16, 1266738034), (17, 1192224032), (32, 633369017), (34, 596112016), (68, 298056008), (136, 149028004), (272, 74514002), (293, 69173408), (544, 37257001), (586, 34586704), (1172, 17293352), (2344, 8646676), (4688, 4323338), (4981, 4069024), (9376, 2161669), (9962, 2034512), (19924, 1017256), (39848, 508628), (79696, 254314), (127157, 159392)]