20859972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2411}}^1$

素因数の和:2528

約数の個数: 48

約数和(自身を含む): 56189952

約数和(自身を除く): 35329980

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 309, 412, 618, 721, 1236, 1442, 2163, 2411, 2884, 4326, 4822, 7233, 8652, 9644, 14466, 16877, 28932, 33754, 50631, 67508, 101262, 202524, 248333, 496666, 744999, 993332, 1489998, 1738331, 2979996, 3476662, 5214993, 6953324, 10429986, 20859972]

約数ペア:

[(1, 20859972), (2, 10429986), (3, 6953324), (4, 5214993), (6, 3476662), (7, 2979996), (12, 1738331), (14, 1489998), (21, 993332), (28, 744999), (42, 496666), (84, 248333), (103, 202524), (206, 101262), (309, 67508), (412, 50631), (618, 33754), (721, 28932), (1236, 16877), (1442, 14466), (2163, 9644), (2411, 8652), (2884, 7233), (4326, 4822)]