20171906816

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{1832477}}^1$

素因数の和:1832536

約数の個数: 36

約数和(自身を含む): 41201435352

約数和(自身を除く): 21029528536

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 2752, 5504, 11008, 1832477, 3664954, 7329908, 14659816, 29319632, 58639264, 78796511, 117278528, 157593022, 234557056, 315186044, 469114112, 630372088, 1260744176, 2521488352, 5042976704, 10085953408, 20171906816]

約数ペア:

[(1, 20171906816), (2, 10085953408), (4, 5042976704), (8, 2521488352), (16, 1260744176), (32, 630372088), (43, 469114112), (64, 315186044), (86, 234557056), (128, 157593022), (172, 117278528), (256, 78796511), (344, 58639264), (688, 29319632), (1376, 14659816), (2752, 7329908), (5504, 3664954), (11008, 1832477)]