20396762

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{991}}^1$

素因数の和:1285

約数の個数: 16

約数和(自身を含む): 31497984

約数和(自身を除く): 11101222

約数列:

[1, 2, 41, 82, 251, 502, 991, 1982, 10291, 20582, 40631, 81262, 248741, 497482, 10198381, 20396762]

約数ペア:

[(1, 20396762), (2, 10198381), (41, 497482), (82, 248741), (251, 81262), (502, 40631), (991, 20582), (1982, 10291)]