20358889668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1891387}}^1$

素因数の和:1891433

約数の個数: 72

約数和(自身を含む): 57831079488

約数和(自身を除く): 37472189820

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2691, 3588, 5382, 10764, 1891387, 3782774, 5674161, 7565548, 11348322, 17022483, 22696644, 24588031, 34044966, 43501901, 49176062, 68089932, 73764093, 87003802, 98352124, 130505703, 147528186, 174007604, 221292279, 261011406, 295056372, 391517109, 442584558, 522022812, 565524713, 783034218, 885169116, 1131049426, 1566068436, 1696574139, 2262098852, 3393148278, 5089722417, 6786296556, 10179444834, 20358889668]

約数ペア:

[(1, 20358889668), (2, 10179444834), (3, 6786296556), (4, 5089722417), (6, 3393148278), (9, 2262098852), (12, 1696574139), (13, 1566068436), (18, 1131049426), (23, 885169116), (26, 783034218), (36, 565524713), (39, 522022812), (46, 442584558), (52, 391517109), (69, 295056372), (78, 261011406), (92, 221292279), (117, 174007604), (138, 147528186), (156, 130505703), (207, 98352124), (234, 87003802), (276, 73764093), (299, 68089932), (414, 49176062), (468, 43501901), (598, 34044966), (828, 24588031), (897, 22696644), (1196, 17022483), (1794, 11348322), (2691, 7565548), (3588, 5674161), (5382, 3782774), (10764, 1891387)]