20110921180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3056371}}^1$

素因数の和:3056434

約数の個数: 48

約数和(自身を含む): 49293167616

約数和(自身を除く): 29182246436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 3056371, 6112742, 12225484, 15281855, 21394597, 30563710, 42789194, 61127420, 85578388, 106972985, 143649437, 213945970, 287298874, 427891940, 574597748, 718247185, 1005546059, 1436494370, 2011092118, 2872988740, 4022184236, 5027730295, 10055460590, 20110921180]

約数ペア:

[(1, 20110921180), (2, 10055460590), (4, 5027730295), (5, 4022184236), (7, 2872988740), (10, 2011092118), (14, 1436494370), (20, 1005546059), (28, 718247185), (35, 574597748), (47, 427891940), (70, 287298874), (94, 213945970), (140, 143649437), (188, 106972985), (235, 85578388), (329, 61127420), (470, 42789194), (658, 30563710), (940, 21394597), (1316, 15281855), (1645, 12225484), (3290, 6112742), (6580, 3056371)]