20660692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4787}}^1$

素因数の和:4887

約数の個数: 24

約数和(自身を含む): 39414816

約数和(自身を除く): 18754124

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4787, 9574, 19148, 62231, 124462, 248924, 397321, 794642, 1589284, 5165173, 10330346, 20660692]

約数ペア:

[(1, 20660692), (2, 10330346), (4, 5165173), (13, 1589284), (26, 794642), (52, 397321), (83, 248924), (166, 124462), (332, 62231), (1079, 19148), (2158, 9574), (4316, 4787)]