13331860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21503}}^1$

素因数の和:21543

約数の個数: 24

約数和(自身を含む): 28901376

約数和(自身を除く): 15569516

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21503, 43006, 86012, 107515, 215030, 430060, 666593, 1333186, 2666372, 3332965, 6665930, 13331860]

約数ペア:

[(1, 13331860), (2, 6665930), (4, 3332965), (5, 2666372), (10, 1333186), (20, 666593), (31, 430060), (62, 215030), (124, 107515), (155, 86012), (310, 43006), (620, 21503)]