20803710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9767}}^1$

素因数の和:9848

約数の個数: 32

約数和(自身を含む): 50637312

約数和(自身を除く): 29833602

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9767, 19534, 29301, 48835, 58602, 97670, 146505, 293010, 693457, 1386914, 2080371, 3467285, 4160742, 6934570, 10401855, 20803710]

約数ペア:

[(1, 20803710), (2, 10401855), (3, 6934570), (5, 4160742), (6, 3467285), (10, 2080371), (15, 1386914), (30, 693457), (71, 293010), (142, 146505), (213, 97670), (355, 58602), (426, 48835), (710, 29301), (1065, 19534), (2130, 9767)]