20018328

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 55019520

約数和(自身を除く): 35001192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 191, 264, 382, 397, 573, 764, 794, 1146, 1191, 1528, 1588, 2101, 2292, 2382, 3176, 4202, 4367, 4584, 4764, 6303, 8404, 8734, 9528, 12606, 13101, 16808, 17468, 25212, 26202, 34936, 50424, 52404, 75827, 104808, 151654, 227481, 303308, 454962, 606616, 834097, 909924, 1668194, 1819848, 2502291, 3336388, 5004582, 6672776, 10009164, 20018328]

約数ペア:

[(1, 20018328), (2, 10009164), (3, 6672776), (4, 5004582), (6, 3336388), (8, 2502291), (11, 1819848), (12, 1668194), (22, 909924), (24, 834097), (33, 606616), (44, 454962), (66, 303308), (88, 227481), (132, 151654), (191, 104808), (264, 75827), (382, 52404), (397, 50424), (573, 34936), (764, 26202), (794, 25212), (1146, 17468), (1191, 16808), (1528, 13101), (1588, 12606), (2101, 9528), (2292, 8734), (2382, 8404), (3176, 6303), (4202, 4764), (4367, 4584)]