20160922816

素因数分解:

$2^6\times {\mathrm{571}}^1\times {\mathrm{551689}}^1$

素因数の和:552272

約数の個数: 28

約数和(自身を含む): 40076968360

約数和(自身を除く): 19916045544

約数列:

[1, 2, 4, 8, 16, 32, 64, 571, 1142, 2284, 4568, 9136, 18272, 36544, 551689, 1103378, 2206756, 4413512, 8827024, 17654048, 35308096, 315014419, 630028838, 1260057676, 2520115352, 5040230704, 10080461408, 20160922816]

約数ペア:

[(1, 20160922816), (2, 10080461408), (4, 5040230704), (8, 2520115352), (16, 1260057676), (32, 630028838), (64, 315014419), (571, 35308096), (1142, 17654048), (2284, 8827024), (4568, 4413512), (9136, 2206756), (18272, 1103378), (36544, 551689)]