20372265

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4231}}^1$

素因数の和:4349

約数の個数: 24

約数和(自身を含む): 35650368

約数和(自身を除く): 15278103

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4231, 4815, 12693, 21155, 38079, 63465, 190395, 452717, 1358151, 2263585, 4074453, 6790755, 20372265]

約数ペア:

[(1, 20372265), (3, 6790755), (5, 4074453), (9, 2263585), (15, 1358151), (45, 452717), (107, 190395), (321, 63465), (535, 38079), (963, 21155), (1605, 12693), (4231, 4815)]