20813148

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{8629}}^1$

素因数の和:8706

約数の個数: 36

約数和(自身を含む): 53402440

約数和(自身を除く): 32589292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 2412, 8629, 17258, 25887, 34516, 51774, 77661, 103548, 155322, 310644, 578143, 1156286, 1734429, 2312572, 3468858, 5203287, 6937716, 10406574, 20813148]

約数ペア:

[(1, 20813148), (2, 10406574), (3, 6937716), (4, 5203287), (6, 3468858), (9, 2312572), (12, 1734429), (18, 1156286), (36, 578143), (67, 310644), (134, 155322), (201, 103548), (268, 77661), (402, 51774), (603, 34516), (804, 25887), (1206, 17258), (2412, 8629)]