20970708

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2011}}^1$

素因数の和:2108

約数の個数: 48

約数和(自身を含む): 54082560

約数和(自身を除く): 33111852

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 79, 132, 158, 237, 316, 474, 869, 948, 1738, 2011, 2607, 3476, 4022, 5214, 6033, 8044, 10428, 12066, 22121, 24132, 44242, 66363, 88484, 132726, 158869, 265452, 317738, 476607, 635476, 953214, 1747559, 1906428, 3495118, 5242677, 6990236, 10485354, 20970708]

約数ペア:

[(1, 20970708), (2, 10485354), (3, 6990236), (4, 5242677), (6, 3495118), (11, 1906428), (12, 1747559), (22, 953214), (33, 635476), (44, 476607), (66, 317738), (79, 265452), (132, 158869), (158, 132726), (237, 88484), (316, 66363), (474, 44242), (869, 24132), (948, 22121), (1738, 12066), (2011, 10428), (2607, 8044), (3476, 6033), (4022, 5214)]