20281030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26339}}^1$

素因数の和:26364

約数の個数: 32

約数和(自身を含む): 45515520

約数和(自身を除く): 25234490

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26339, 52678, 131695, 184373, 263390, 289729, 368746, 579458, 921865, 1448645, 1843730, 2028103, 2897290, 4056206, 10140515, 20281030]

約数ペア:

[(1, 20281030), (2, 10140515), (5, 4056206), (7, 2897290), (10, 2028103), (11, 1843730), (14, 1448645), (22, 921865), (35, 579458), (55, 368746), (70, 289729), (77, 263390), (110, 184373), (154, 131695), (385, 52678), (770, 26339)]