20500270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4801}}^1$

素因数の和:4876

約数の個数: 32

約数和(自身を含む): 42872256

約数和(自身を除く): 22371986

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4801, 9602, 24005, 33607, 48010, 67214, 168035, 292861, 336070, 585722, 1464305, 2050027, 2928610, 4100054, 10250135, 20500270]

約数ペア:

[(1, 20500270), (2, 10250135), (5, 4100054), (7, 2928610), (10, 2050027), (14, 1464305), (35, 585722), (61, 336070), (70, 292861), (122, 168035), (305, 67214), (427, 48010), (610, 33607), (854, 24005), (2135, 9602), (4270, 4801)]