20121016976

素因数分解:

$2^4\times {\mathrm{4621}}^1\times {\mathrm{272141}}^1$

素因数の和:276770

約数の個数: 20

約数和(自身を含む): 38993050044

約数和(自身を除く): 18872033068

約数列:

[1, 2, 4, 8, 16, 4621, 9242, 18484, 36968, 73936, 272141, 544282, 1088564, 2177128, 4354256, 1257563561, 2515127122, 5030254244, 10060508488, 20121016976]

約数ペア:

[(1, 20121016976), (2, 10060508488), (4, 5030254244), (8, 2515127122), (16, 1257563561), (4621, 4354256), (9242, 2177128), (18484, 1088564), (36968, 544282), (73936, 272141)]