11290020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{26881}}^1$

素因数の和:26900

約数の個数: 48

約数和(自身を含む): 36129408

約数和(自身を除く): 24839388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 26881, 53762, 80643, 107524, 134405, 161286, 188167, 268810, 322572, 376334, 403215, 537620, 564501, 752668, 806430, 940835, 1129002, 1612860, 1881670, 2258004, 2822505, 3763340, 5645010, 11290020]

約数ペア:

[(1, 11290020), (2, 5645010), (3, 3763340), (4, 2822505), (5, 2258004), (6, 1881670), (7, 1612860), (10, 1129002), (12, 940835), (14, 806430), (15, 752668), (20, 564501), (21, 537620), (28, 403215), (30, 376334), (35, 322572), (42, 268810), (60, 188167), (70, 161286), (84, 134405), (105, 107524), (140, 80643), (210, 53762), (420, 26881)]