20771860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33503}}^1$

素因数の和:33543

約数の個数: 24

約数和(自身を含む): 45029376

約数和(自身を除く): 24257516

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33503, 67006, 134012, 167515, 335030, 670060, 1038593, 2077186, 4154372, 5192965, 10385930, 20771860]

約数ペア:

[(1, 20771860), (2, 10385930), (4, 5192965), (5, 4154372), (10, 2077186), (20, 1038593), (31, 670060), (62, 335030), (124, 167515), (155, 134012), (310, 67006), (620, 33503)]