13541420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21841}}^1$

素因数の和:21881

約数の個数: 24

約数和(自身を含む): 29355648

約数和(自身を除く): 15814228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21841, 43682, 87364, 109205, 218410, 436820, 677071, 1354142, 2708284, 3385355, 6770710, 13541420]

約数ペア:

[(1, 13541420), (2, 6770710), (4, 3385355), (5, 2708284), (10, 1354142), (20, 677071), (31, 436820), (62, 218410), (124, 109205), (155, 87364), (310, 43682), (620, 21841)]