20540362912

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{88867}}^1$

素因数の和:89141

約数の個数: 48

約数和(自身を含む): 41922945792

約数和(自身を除く): 21382582880

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 233, 248, 466, 496, 932, 992, 1864, 3728, 7223, 7456, 14446, 28892, 57784, 88867, 115568, 177734, 231136, 355468, 710936, 1421872, 2754877, 2843744, 5509754, 11019508, 20706011, 22039016, 41412022, 44078032, 82824044, 88156064, 165648088, 331296176, 641886341, 662592352, 1283772682, 2567545364, 5135090728, 10270181456, 20540362912]

約数ペア:

[(1, 20540362912), (2, 10270181456), (4, 5135090728), (8, 2567545364), (16, 1283772682), (31, 662592352), (32, 641886341), (62, 331296176), (124, 165648088), (233, 88156064), (248, 82824044), (466, 44078032), (496, 41412022), (932, 22039016), (992, 20706011), (1864, 11019508), (3728, 5509754), (7223, 2843744), (7456, 2754877), (14446, 1421872), (28892, 710936), (57784, 355468), (88867, 231136), (115568, 177734)]