20120151920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22863809}}^1$

素因数の和:22863833

約数の個数: 40

約数和(自身を含む): 51032023920

約数和(自身を除く): 30911872000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22863809, 45727618, 91455236, 114319045, 182910472, 228638090, 251501899, 365820944, 457276180, 503003798, 914552360, 1006007596, 1257509495, 1829104720, 2012015192, 2515018990, 4024030384, 5030037980, 10060075960, 20120151920]

約数ペア:

[(1, 20120151920), (2, 10060075960), (4, 5030037980), (5, 4024030384), (8, 2515018990), (10, 2012015192), (11, 1829104720), (16, 1257509495), (20, 1006007596), (22, 914552360), (40, 503003798), (44, 457276180), (55, 365820944), (80, 251501899), (88, 228638090), (110, 182910472), (176, 114319045), (220, 91455236), (440, 45727618), (880, 22863809)]