20454919360

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2779201}}^1$

素因数の和:2779241

約数の個数: 56

約数和(自身を含む): 50826046176

約数和(自身を除く): 30371126816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 3680, 7360, 2779201, 5558402, 11116804, 13896005, 22233608, 27792010, 44467216, 55584020, 63921623, 88934432, 111168040, 127843246, 177868864, 222336080, 255686492, 319608115, 444672160, 511372984, 639216230, 889344320, 1022745968, 1278432460, 2045491936, 2556864920, 4090983872, 5113729840, 10227459680, 20454919360]

約数ペア:

[(1, 20454919360), (2, 10227459680), (4, 5113729840), (5, 4090983872), (8, 2556864920), (10, 2045491936), (16, 1278432460), (20, 1022745968), (23, 889344320), (32, 639216230), (40, 511372984), (46, 444672160), (64, 319608115), (80, 255686492), (92, 222336080), (115, 177868864), (160, 127843246), (184, 111168040), (230, 88934432), (320, 63921623), (368, 55584020), (460, 44467216), (736, 27792010), (920, 22233608), (1472, 13896005), (1840, 11116804), (3680, 5558402), (7360, 2779201)]