20020802920

素因数分解:

$2^3\times 5^1\times {\mathrm{757}}^1\times {\mathrm{661189}}^1$

素因数の和:661957

約数の個数: 32

約数和(自身を含む): 45106381800

約数和(自身を除く): 25085578880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 757, 1514, 3028, 3785, 6056, 7570, 15140, 30280, 661189, 1322378, 2644756, 3305945, 5289512, 6611890, 13223780, 26447560, 500520073, 1001040146, 2002080292, 2502600365, 4004160584, 5005200730, 10010401460, 20020802920]

約数ペア:

[(1, 20020802920), (2, 10010401460), (4, 5005200730), (5, 4004160584), (8, 2502600365), (10, 2002080292), (20, 1001040146), (40, 500520073), (757, 26447560), (1514, 13223780), (3028, 6611890), (3785, 5289512), (6056, 3305945), (7570, 2644756), (15140, 1322378), (30280, 661189)]