20491992

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9181}}^1$

素因数の和:9224

約数の個数: 48

約数和(自身を含む): 57295680

約数和(自身を除く): 36803688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9181, 18362, 27543, 36724, 55086, 73448, 82629, 110172, 165258, 220344, 284611, 330516, 569222, 661032, 853833, 1138444, 1707666, 2276888, 2561499, 3415332, 5122998, 6830664, 10245996, 20491992]

約数ペア:

[(1, 20491992), (2, 10245996), (3, 6830664), (4, 5122998), (6, 3415332), (8, 2561499), (9, 2276888), (12, 1707666), (18, 1138444), (24, 853833), (31, 661032), (36, 569222), (62, 330516), (72, 284611), (93, 220344), (124, 165258), (186, 110172), (248, 82629), (279, 73448), (372, 55086), (558, 36724), (744, 27543), (1116, 18362), (2232, 9181)]