20691432

素因数分解:

$2^3\times 3^2\times {\mathrm{89}}^1\times {\mathrm{3229}}^1$

素因数の和:3330

約数の個数: 48

約数和(自身を含む): 56686500

約数和(自身を除く): 35995068

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 89, 178, 267, 356, 534, 712, 801, 1068, 1602, 2136, 3204, 3229, 6408, 6458, 9687, 12916, 19374, 25832, 29061, 38748, 58122, 77496, 116244, 232488, 287381, 574762, 862143, 1149524, 1724286, 2299048, 2586429, 3448572, 5172858, 6897144, 10345716, 20691432]

約数ペア:

[(1, 20691432), (2, 10345716), (3, 6897144), (4, 5172858), (6, 3448572), (8, 2586429), (9, 2299048), (12, 1724286), (18, 1149524), (24, 862143), (36, 574762), (72, 287381), (89, 232488), (178, 116244), (267, 77496), (356, 58122), (534, 38748), (712, 29061), (801, 25832), (1068, 19374), (1602, 12916), (2136, 9687), (3204, 6458), (3229, 6408)]