20306115

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9601}}^1$

素因数の和:9659

約数の個数: 24

約数和(自身を含む): 35949888

約数和(自身を除く): 15643773

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9601, 28803, 48005, 86409, 144015, 432045, 451247, 1353741, 2256235, 4061223, 6768705, 20306115]

約数ペア:

[(1, 20306115), (3, 6768705), (5, 4061223), (9, 2256235), (15, 1353741), (45, 451247), (47, 432045), (141, 144015), (235, 86409), (423, 48005), (705, 28803), (2115, 9601)]