20703015

素因数分解:

$3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{937}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 35996688

約数和(自身を除く): 15293673

約数列:

[1, 3, 5, 9, 15, 45, 491, 937, 1473, 2455, 2811, 4419, 4685, 7365, 8433, 14055, 22095, 42165, 460067, 1380201, 2300335, 4140603, 6901005, 20703015]

約数ペア:

[(1, 20703015), (3, 6901005), (5, 4140603), (9, 2300335), (15, 1380201), (45, 460067), (491, 42165), (937, 22095), (1473, 14055), (2455, 8433), (2811, 7365), (4419, 4685)]