20794840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{283}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 51528960

約数和(自身を除く): 30734120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 283, 334, 440, 566, 668, 835, 1132, 1336, 1415, 1670, 1837, 2264, 2830, 3113, 3340, 3674, 5660, 6226, 6680, 7348, 9185, 11320, 12452, 14696, 15565, 18370, 24904, 31130, 36740, 47261, 62260, 73480, 94522, 124520, 189044, 236305, 378088, 472610, 519871, 945220, 1039742, 1890440, 2079484, 2599355, 4158968, 5198710, 10397420, 20794840]

約数ペア:

[(1, 20794840), (2, 10397420), (4, 5198710), (5, 4158968), (8, 2599355), (10, 2079484), (11, 1890440), (20, 1039742), (22, 945220), (40, 519871), (44, 472610), (55, 378088), (88, 236305), (110, 189044), (167, 124520), (220, 94522), (283, 73480), (334, 62260), (440, 47261), (566, 36740), (668, 31130), (835, 24904), (1132, 18370), (1336, 15565), (1415, 14696), (1670, 12452), (1837, 11320), (2264, 9185), (2830, 7348), (3113, 6680), (3340, 6226), (3674, 5660)]