20008188

素因数分解:

$2^2\times 3^3\times {\mathrm{229}}^1\times {\mathrm{809}}^1$

素因数の和:1051

約数の個数: 48

約数和(自身を含む): 52164000

約数和(自身を除く): 32155812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 229, 458, 687, 809, 916, 1374, 1618, 2061, 2427, 2748, 3236, 4122, 4854, 6183, 7281, 8244, 9708, 12366, 14562, 21843, 24732, 29124, 43686, 87372, 185261, 370522, 555783, 741044, 1111566, 1667349, 2223132, 3334698, 5002047, 6669396, 10004094, 20008188]

約数ペア:

[(1, 20008188), (2, 10004094), (3, 6669396), (4, 5002047), (6, 3334698), (9, 2223132), (12, 1667349), (18, 1111566), (27, 741044), (36, 555783), (54, 370522), (108, 185261), (229, 87372), (458, 43686), (687, 29124), (809, 24732), (916, 21843), (1374, 14562), (1618, 12366), (2061, 9708), (2427, 8244), (2748, 7281), (3236, 6183), (4122, 4854)]