20504647555

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{7213}}^1$

素因数の和:7556

約数の個数: 48

約数和(自身を含む): 29428618464

約数和(自身を除く): 8923970909

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 283, 287, 1415, 1435, 1981, 2009, 7213, 9905, 10045, 11603, 13867, 36065, 50491, 58015, 69335, 81221, 252455, 295733, 353437, 406105, 568547, 1478665, 1767185, 2041279, 2070131, 2842735, 10206395, 10350655, 14288953, 14490917, 71444765, 72454585, 83692439, 100022671, 418462195, 500113355, 585847073, 2929235365, 4100929511, 20504647555]

約数ペア:

[(1, 20504647555), (5, 4100929511), (7, 2929235365), (35, 585847073), (41, 500113355), (49, 418462195), (205, 100022671), (245, 83692439), (283, 72454585), (287, 71444765), (1415, 14490917), (1435, 14288953), (1981, 10350655), (2009, 10206395), (7213, 2842735), (9905, 2070131), (10045, 2041279), (11603, 1767185), (13867, 1478665), (36065, 568547), (50491, 406105), (58015, 353437), (69335, 295733), (81221, 252455)]