20643924

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4637}}^1$

素因数の和:4704

約数の個数: 48

約数和(自身を含む): 56101248

約数和(自身を除く): 35457324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4637, 9274, 13911, 18548, 27822, 32459, 55644, 64918, 97377, 129836, 194754, 245761, 389508, 491522, 737283, 983044, 1474566, 1720327, 2949132, 3440654, 5160981, 6881308, 10321962, 20643924]

約数ペア:

[(1, 20643924), (2, 10321962), (3, 6881308), (4, 5160981), (6, 3440654), (7, 2949132), (12, 1720327), (14, 1474566), (21, 983044), (28, 737283), (42, 491522), (53, 389508), (84, 245761), (106, 194754), (159, 129836), (212, 97377), (318, 64918), (371, 55644), (636, 32459), (742, 27822), (1113, 18548), (1484, 13911), (2226, 9274), (4452, 4637)]