20355592

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 39686400

約数和(自身を除く): 19330808

約数列:

[1, 2, 4, 8, 31, 62, 124, 211, 248, 389, 422, 778, 844, 1556, 1688, 3112, 6541, 12059, 13082, 24118, 26164, 48236, 52328, 82079, 96472, 164158, 328316, 656632, 2544449, 5088898, 10177796, 20355592]

約数ペア:

[(1, 20355592), (2, 10177796), (4, 5088898), (8, 2544449), (31, 656632), (62, 328316), (124, 164158), (211, 96472), (248, 82079), (389, 52328), (422, 48236), (778, 26164), (844, 24118), (1556, 13082), (1688, 12059), (3112, 6541)]