20505198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15749}}^1$

素因数の和:15792

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 27878802

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 15749, 31498, 47247, 94494, 110243, 220486, 330729, 488219, 661458, 976438, 1464657, 2929314, 3417533, 6835066, 10252599, 20505198]

約数ペア:

[(1, 20505198), (2, 10252599), (3, 6835066), (6, 3417533), (7, 2929314), (14, 1464657), (21, 976438), (31, 661458), (42, 488219), (62, 330729), (93, 220486), (186, 110243), (217, 94494), (434, 47247), (651, 31498), (1302, 15749)]