20648730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10273}}^1$

素因数の和:10350

約数の個数: 32

約数和(自身を含む): 50301504

約数和(自身を除く): 29652774

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10273, 20546, 30819, 51365, 61638, 102730, 154095, 308190, 688291, 1376582, 2064873, 3441455, 4129746, 6882910, 10324365, 20648730]

約数ペア:

[(1, 20648730), (2, 10324365), (3, 6882910), (5, 4129746), (6, 3441455), (10, 2064873), (15, 1376582), (30, 688291), (67, 308190), (134, 154095), (201, 102730), (335, 61638), (402, 51365), (670, 30819), (1005, 20546), (2010, 10273)]