20634510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 53831232

約数和(自身を除く): 33196722

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 157, 195, 314, 337, 390, 471, 674, 785, 942, 1011, 1570, 1685, 2022, 2041, 2355, 3370, 4082, 4381, 4710, 5055, 6123, 8762, 10110, 10205, 12246, 13143, 20410, 21905, 26286, 30615, 43810, 52909, 61230, 65715, 105818, 131430, 158727, 264545, 317454, 529090, 687817, 793635, 1375634, 1587270, 2063451, 3439085, 4126902, 6878170, 10317255, 20634510]

約数ペア:

[(1, 20634510), (2, 10317255), (3, 6878170), (5, 4126902), (6, 3439085), (10, 2063451), (13, 1587270), (15, 1375634), (26, 793635), (30, 687817), (39, 529090), (65, 317454), (78, 264545), (130, 158727), (157, 131430), (195, 105818), (314, 65715), (337, 61230), (390, 52909), (471, 43810), (674, 30615), (785, 26286), (942, 21905), (1011, 20410), (1570, 13143), (1685, 12246), (2022, 10205), (2041, 10110), (2355, 8762), (3370, 6123), (4082, 5055), (4381, 4710)]