20713035

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{28181}}^1$

素因数の和:28203

約数の個数: 24

約数和(自身を含む): 38552976

約数和(自身を除く): 17839941

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 28181, 84543, 140905, 197267, 422715, 591801, 986335, 1380869, 2959005, 4142607, 6904345, 20713035]

約数ペア:

[(1, 20713035), (3, 6904345), (5, 4142607), (7, 2959005), (15, 1380869), (21, 986335), (35, 591801), (49, 422715), (105, 197267), (147, 140905), (245, 84543), (735, 28181)]