20160741872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40646657}}^1$

素因数の和:40646696

約数の個数: 20

約数和(自身を含む): 40321484736

約数和(自身を除く): 20160742864

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40646657, 81293314, 162586628, 325173256, 650346512, 1260046367, 2520092734, 5040185468, 10080370936, 20160741872]

約数ペア:

[(1, 20160741872), (2, 10080370936), (4, 5040185468), (8, 2520092734), (16, 1260046367), (31, 650346512), (62, 325173256), (124, 162586628), (248, 81293314), (496, 40646657)]