20212751450

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{283}}^1\times {\mathrm{9587}}^1$

素因数の和:10031

約数の個数: 48

約数和(自身を含む): 37985738400

約数和(自身を除く): 17772986950

約数列:

[1, 2, 5, 10, 25, 50, 149, 283, 298, 566, 745, 1415, 1490, 2830, 3725, 7075, 7450, 9587, 14150, 19174, 42167, 47935, 84334, 95870, 210835, 239675, 421670, 479350, 1054175, 1428463, 2108350, 2713121, 2856926, 5426242, 7142315, 13565605, 14284630, 27131210, 35711575, 67828025, 71423150, 135656050, 404255029, 808510058, 2021275145, 4042550290, 10106375725, 20212751450]

約数ペア:

[(1, 20212751450), (2, 10106375725), (5, 4042550290), (10, 2021275145), (25, 808510058), (50, 404255029), (149, 135656050), (283, 71423150), (298, 67828025), (566, 35711575), (745, 27131210), (1415, 14284630), (1490, 13565605), (2830, 7142315), (3725, 5426242), (7075, 2856926), (7450, 2713121), (9587, 2108350), (14150, 1428463), (19174, 1054175), (42167, 479350), (47935, 421670), (84334, 239675), (95870, 210835)]