2020202405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{11831}}^1$

素因数の和:11957

約数の個数: 32

約数和(自身を含む): 2719277568

約数和(自身を除く): 699075163

約数列:

[1, 5, 13, 37, 65, 71, 185, 355, 481, 923, 2405, 2627, 4615, 11831, 13135, 34151, 59155, 153803, 170755, 437747, 769015, 840001, 2188735, 4200005, 5690711, 10920013, 28453555, 31080037, 54600065, 155400185, 404040481, 2020202405]

約数ペア:

[(1, 2020202405), (5, 404040481), (13, 155400185), (37, 54600065), (65, 31080037), (71, 28453555), (185, 10920013), (355, 5690711), (481, 4200005), (923, 2188735), (2405, 840001), (2627, 769015), (4615, 437747), (11831, 170755), (13135, 153803), (34151, 59155)]