20705070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{919}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 49812480

約数和(自身を除く): 29107410

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 751, 919, 1502, 1838, 2253, 2757, 3755, 4506, 4595, 5514, 7510, 9190, 11265, 13785, 22530, 27570, 690169, 1380338, 2070507, 3450845, 4141014, 6901690, 10352535, 20705070]

約数ペア:

[(1, 20705070), (2, 10352535), (3, 6901690), (5, 4141014), (6, 3450845), (10, 2070507), (15, 1380338), (30, 690169), (751, 27570), (919, 22530), (1502, 13785), (1838, 11265), (2253, 9190), (2757, 7510), (3755, 5514), (4506, 4595)]