20565799780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1\times {\mathrm{32117}}^1$

素因数の和:32544

約数の個数: 48

約数和(自身を含む): 43754736816

約数和(自身を除く): 23188937036

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 317, 404, 505, 634, 1010, 1268, 1585, 2020, 3170, 6340, 32017, 32117, 64034, 64234, 128068, 128468, 160085, 160585, 320170, 321170, 640340, 642340, 3243817, 6487634, 10181089, 12975268, 16219085, 20362178, 32438170, 40724356, 50905445, 64876340, 101810890, 203621780, 1028289989, 2056579978, 4113159956, 5141449945, 10282899890, 20565799780]

約数ペア:

[(1, 20565799780), (2, 10282899890), (4, 5141449945), (5, 4113159956), (10, 2056579978), (20, 1028289989), (101, 203621780), (202, 101810890), (317, 64876340), (404, 50905445), (505, 40724356), (634, 32438170), (1010, 20362178), (1268, 16219085), (1585, 12975268), (2020, 10181089), (3170, 6487634), (6340, 3243817), (32017, 642340), (32117, 640340), (64034, 321170), (64234, 320170), (128068, 160585), (128468, 160085)]