20010430020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47643881}}^1$

素因数の和:47643900

約数の個数: 48

約数和(自身を含む): 64033377408

約数和(自身を除く): 44022947388

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, 47643881, 95287762, 142931643, 190575524, 238219405, 285863286, 333507167, 476438810, 571726572, 667014334, 714658215, 952877620, 1000521501, 1334028668, 1429316430, 1667535835, 2001043002, 2858632860, 3335071670, 4002086004, 5002607505, 6670143340, 10005215010, 20010430020]

約数ペア:

[(1, 20010430020), (2, 10005215010), (3, 6670143340), (4, 5002607505), (5, 4002086004), (6, 3335071670), (7, 2858632860), (10, 2001043002), (12, 1667535835), (14, 1429316430), (15, 1334028668), (20, 1000521501), (21, 952877620), (28, 714658215), (30, 667014334), (35, 571726572), (42, 476438810), (60, 333507167), (70, 285863286), (84, 238219405), (105, 190575524), (140, 142931643), (210, 95287762), (420, 47643881)]