20875260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2203

約数の個数: 96

約数和(自身を含む): 69737472

約数和(自身を除く): 48862212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2161, 2415, 3220, 4322, 4830, 6483, 8644, 9660, 10805, 12966, 15127, 21610, 25932, 30254, 32415, 43220, 45381, 49703, 60508, 64830, 75635, 90762, 99406, 129660, 149109, 151270, 181524, 198812, 226905, 248515, 298218, 302540, 347921, 453810, 497030, 596436, 695842, 745545, 907620, 994060, 1043763, 1391684, 1491090, 1739605, 2087526, 2982180, 3479210, 4175052, 5218815, 6958420, 10437630, 20875260]

約数ペア:

[(1, 20875260), (2, 10437630), (3, 6958420), (4, 5218815), (5, 4175052), (6, 3479210), (7, 2982180), (10, 2087526), (12, 1739605), (14, 1491090), (15, 1391684), (20, 1043763), (21, 994060), (23, 907620), (28, 745545), (30, 695842), (35, 596436), (42, 497030), (46, 453810), (60, 347921), (69, 302540), (70, 298218), (84, 248515), (92, 226905), (105, 198812), (115, 181524), (138, 151270), (140, 149109), (161, 129660), (210, 99406), (230, 90762), (276, 75635), (322, 64830), (345, 60508), (420, 49703), (460, 45381), (483, 43220), (644, 32415), (690, 30254), (805, 25932), (966, 21610), (1380, 15127), (1610, 12966), (1932, 10805), (2161, 9660), (2415, 8644), (3220, 6483), (4322, 4830)]