20907420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{348457}}^1$

素因数の和:348469

約数の個数: 24

約数和(自身を含む): 58540944

約数和(自身を除く): 37633524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 348457, 696914, 1045371, 1393828, 1742285, 2090742, 3484570, 4181484, 5226855, 6969140, 10453710, 20907420]

約数ペア:

[(1, 20907420), (2, 10453710), (3, 6969140), (4, 5226855), (5, 4181484), (6, 3484570), (10, 2090742), (12, 1742285), (15, 1393828), (20, 1045371), (30, 696914), (60, 348457)]