20291638

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1889}}^1$

素因数の和:2063

約数の個数: 16

約数和(自身を含む): 31434480

約数和(自身を除く): 11142842

約数列:

[1, 2, 41, 82, 131, 262, 1889, 3778, 5371, 10742, 77449, 154898, 247459, 494918, 10145819, 20291638]

約数ペア:

[(1, 20291638), (2, 10145819), (41, 494918), (82, 247459), (131, 154898), (262, 77449), (1889, 10742), (3778, 5371)]