20662506

素因数分解:

$2^1\times 3^3\times {\mathrm{239}}^1\times {\mathrm{1601}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 46137600

約数和(自身を除く): 25475094

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 239, 478, 717, 1434, 1601, 2151, 3202, 4302, 4803, 6453, 9606, 12906, 14409, 28818, 43227, 86454, 382639, 765278, 1147917, 2295834, 3443751, 6887502, 10331253, 20662506]

約数ペア:

[(1, 20662506), (2, 10331253), (3, 6887502), (6, 3443751), (9, 2295834), (18, 1147917), (27, 765278), (54, 382639), (239, 86454), (478, 43227), (717, 28818), (1434, 14409), (1601, 12906), (2151, 9606), (3202, 6453), (4302, 4803)]