20189098066

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 31900835232

約数和(自身を除く): 11711737166

約数列:

[1, 2, 41, 47, 82, 94, 227, 454, 491, 982, 1927, 2209, 3854, 4418, 9307, 10669, 18614, 20131, 21338, 23077, 40262, 46154, 90569, 111457, 181138, 222914, 437429, 501443, 874858, 946157, 1002886, 1084619, 1892314, 2169238, 4569737, 5238479, 9139474, 10476958, 20559163, 41118326, 44469379, 88938758, 214777639, 246208513, 429555278, 492417026, 10094549033, 20189098066]

約数ペア:

[(1, 20189098066), (2, 10094549033), (41, 492417026), (47, 429555278), (82, 246208513), (94, 214777639), (227, 88938758), (454, 44469379), (491, 41118326), (982, 20559163), (1927, 10476958), (2209, 9139474), (3854, 5238479), (4418, 4569737), (9307, 2169238), (10669, 1892314), (18614, 1084619), (20131, 1002886), (21338, 946157), (23077, 874858), (40262, 501443), (46154, 437429), (90569, 222914), (111457, 181138)]