20671916

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3547}}^1$

素因数の和:3629

約数の個数: 24

約数和(自身を含む): 38148096

約数和(自身を除く): 17476180

約数列:

[1, 2, 4, 31, 47, 62, 94, 124, 188, 1457, 2914, 3547, 5828, 7094, 14188, 109957, 166709, 219914, 333418, 439828, 666836, 5167979, 10335958, 20671916]

約数ペア:

[(1, 20671916), (2, 10335958), (4, 5167979), (31, 666836), (47, 439828), (62, 333418), (94, 219914), (124, 166709), (188, 109957), (1457, 14188), (2914, 7094), (3547, 5828)]