20554856

素因数分解:

$2^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1297}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 44235840

約数和(自身を除く): 23680984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 283, 566, 1132, 1297, 1981, 2264, 2594, 3962, 5188, 7924, 9079, 10376, 15848, 18158, 36316, 72632, 367051, 734102, 1468204, 2569357, 2936408, 5138714, 10277428, 20554856]

約数ペア:

[(1, 20554856), (2, 10277428), (4, 5138714), (7, 2936408), (8, 2569357), (14, 1468204), (28, 734102), (56, 367051), (283, 72632), (566, 36316), (1132, 18158), (1297, 15848), (1981, 10376), (2264, 9079), (2594, 7924), (3962, 5188)]