20316840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{169307}}^1$

素因数の和:169321

約数の個数: 32

約数和(自身を含む): 60950880

約数和(自身を除く): 40634040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 169307, 338614, 507921, 677228, 846535, 1015842, 1354456, 1693070, 2031684, 2539605, 3386140, 4063368, 5079210, 6772280, 10158420, 20316840]

約数ペア:

[(1, 20316840), (2, 10158420), (3, 6772280), (4, 5079210), (5, 4063368), (6, 3386140), (8, 2539605), (10, 2031684), (12, 1693070), (15, 1354456), (20, 1015842), (24, 846535), (30, 677228), (40, 507921), (60, 338614), (120, 169307)]