20121963656

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{557}}^1\times {\mathrm{34471}}^1$

素因数の和:35165

約数の個数: 32

約数和(自身を含む): 38086044480

約数和(自身を除く): 17964080824

約数列:

[1, 2, 4, 8, 131, 262, 524, 557, 1048, 1114, 2228, 4456, 34471, 68942, 72967, 137884, 145934, 275768, 291868, 583736, 4515701, 9031402, 18062804, 19200347, 36125608, 38400694, 76801388, 153602776, 2515245457, 5030490914, 10060981828, 20121963656]

約数ペア:

[(1, 20121963656), (2, 10060981828), (4, 5030490914), (8, 2515245457), (131, 153602776), (262, 76801388), (524, 38400694), (557, 36125608), (1048, 19200347), (1114, 18062804), (2228, 9031402), (4456, 4515701), (34471, 583736), (68942, 291868), (72967, 275768), (137884, 145934)]