20461064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 44634240

約数和(自身を除く): 24173176

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 71, 104, 136, 142, 163, 221, 284, 326, 442, 568, 652, 884, 923, 1207, 1304, 1768, 1846, 2119, 2414, 2771, 3692, 4238, 4828, 5542, 7384, 8476, 9656, 11084, 11573, 15691, 16952, 22168, 23146, 31382, 36023, 46292, 62764, 72046, 92584, 125528, 144092, 150449, 196741, 288184, 300898, 393482, 601796, 786964, 1203592, 1573928, 2557633, 5115266, 10230532, 20461064]

約数ペア:

[(1, 20461064), (2, 10230532), (4, 5115266), (8, 2557633), (13, 1573928), (17, 1203592), (26, 786964), (34, 601796), (52, 393482), (68, 300898), (71, 288184), (104, 196741), (136, 150449), (142, 144092), (163, 125528), (221, 92584), (284, 72046), (326, 62764), (442, 46292), (568, 36023), (652, 31382), (884, 23146), (923, 22168), (1207, 16952), (1304, 15691), (1768, 11573), (1846, 11084), (2119, 9656), (2414, 8476), (2771, 7384), (3692, 5542), (4238, 4828)]