20902630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12983}}^1$

素因数の和:13020

約数の個数: 32

約数和(自身を含む): 44872704

約数和(自身を除く): 23970074

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12983, 25966, 64915, 90881, 129830, 181762, 298609, 454405, 597218, 908810, 1493045, 2090263, 2986090, 4180526, 10451315, 20902630]

約数ペア:

[(1, 20902630), (2, 10451315), (5, 4180526), (7, 2986090), (10, 2090263), (14, 1493045), (23, 908810), (35, 597218), (46, 454405), (70, 298609), (115, 181762), (161, 129830), (230, 90881), (322, 64915), (805, 25966), (1610, 12983)]