20643288

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16229}}^1$

素因数の和:16291

約数の個数: 32

約数和(自身を含む): 52585200

約数和(自身を除く): 31941912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16229, 32458, 48687, 64916, 97374, 129832, 194748, 389496, 860137, 1720274, 2580411, 3440548, 5160822, 6881096, 10321644, 20643288]

約数ペア:

[(1, 20643288), (2, 10321644), (3, 6881096), (4, 5160822), (6, 3440548), (8, 2580411), (12, 1720274), (24, 860137), (53, 389496), (106, 194748), (159, 129832), (212, 97374), (318, 64916), (424, 48687), (636, 32458), (1272, 16229)]