20219718

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{719}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 21597882

約数列:

[1, 2, 3, 6, 43, 86, 109, 129, 218, 258, 327, 654, 719, 1438, 2157, 4314, 4687, 9374, 14061, 28122, 30917, 61834, 78371, 92751, 156742, 185502, 235113, 470226, 3369953, 6739906, 10109859, 20219718]

約数ペア:

[(1, 20219718), (2, 10109859), (3, 6739906), (6, 3369953), (43, 470226), (86, 235113), (109, 185502), (129, 156742), (218, 92751), (258, 78371), (327, 61834), (654, 30917), (719, 28122), (1438, 14061), (2157, 9374), (4314, 4687)]