20996112

素因数分解:

$2^4\times 3^1\times {\mathrm{421}}^1\times {\mathrm{1039}}^1$

素因数の和:1471

約数の個数: 40

約数和(自身を含む): 54421120

約数和(自身を除く): 33425008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 421, 842, 1039, 1263, 1684, 2078, 2526, 3117, 3368, 4156, 5052, 6234, 6736, 8312, 10104, 12468, 16624, 20208, 24936, 49872, 437419, 874838, 1312257, 1749676, 2624514, 3499352, 5249028, 6998704, 10498056, 20996112]

約数ペア:

[(1, 20996112), (2, 10498056), (3, 6998704), (4, 5249028), (6, 3499352), (8, 2624514), (12, 1749676), (16, 1312257), (24, 874838), (48, 437419), (421, 49872), (842, 24936), (1039, 20208), (1263, 16624), (1684, 12468), (2078, 10104), (2526, 8312), (3117, 6736), (3368, 6234), (4156, 5052)]