20212252

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2269}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 37754640

約数和(自身を除く): 17542388

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2227, 2269, 4454, 4538, 8908, 9076, 38573, 77146, 154292, 297239, 594478, 1188956, 5053063, 10106126, 20212252]

約数ペア:

[(1, 20212252), (2, 10106126), (4, 5053063), (17, 1188956), (34, 594478), (68, 297239), (131, 154292), (262, 77146), (524, 38573), (2227, 9076), (2269, 8908), (4454, 4538)]