20185712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40697}}^1$

素因数の和:40736

約数の個数: 20

約数和(自身を含む): 40372416

約数和(自身を除く): 20186704

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40697, 81394, 162788, 325576, 651152, 1261607, 2523214, 5046428, 10092856, 20185712]

約数ペア:

[(1, 20185712), (2, 10092856), (4, 5046428), (8, 2523214), (16, 1261607), (31, 651152), (62, 325576), (124, 162788), (248, 81394), (496, 40697)]