20154548730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{500237}}^1$

素因数の和:500343

約数の個数: 64

約数和(自身を含む): 51864675840

約数和(自身を除く): 31710127110

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 79, 85, 102, 158, 170, 237, 255, 395, 474, 510, 790, 1185, 1343, 2370, 2686, 4029, 6715, 8058, 13430, 20145, 40290, 500237, 1000474, 1500711, 2501185, 3001422, 5002370, 7503555, 8504029, 15007110, 17008058, 25512087, 39518723, 42520145, 51024174, 79037446, 85040290, 118556169, 127560435, 197593615, 237112338, 255120870, 395187230, 592780845, 671818291, 1185561690, 1343636582, 2015454873, 3359091455, 4030909746, 6718182910, 10077274365, 20154548730]

約数ペア:

[(1, 20154548730), (2, 10077274365), (3, 6718182910), (5, 4030909746), (6, 3359091455), (10, 2015454873), (15, 1343636582), (17, 1185561690), (30, 671818291), (34, 592780845), (51, 395187230), (79, 255120870), (85, 237112338), (102, 197593615), (158, 127560435), (170, 118556169), (237, 85040290), (255, 79037446), (395, 51024174), (474, 42520145), (510, 39518723), (790, 25512087), (1185, 17008058), (1343, 15007110), (2370, 8504029), (2686, 7503555), (4029, 5002370), (6715, 3001422), (8058, 2501185), (13430, 1500711), (20145, 1000474), (40290, 500237)]