20312790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39829}}^1$

素因数の和:39856

約数の個数: 32

約数和(自身を含む): 51619680

約数和(自身を除く): 31306890

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 39829, 79658, 119487, 199145, 238974, 398290, 597435, 677093, 1194870, 1354186, 2031279, 3385465, 4062558, 6770930, 10156395, 20312790]

約数ペア:

[(1, 20312790), (2, 10156395), (3, 6770930), (5, 4062558), (6, 3385465), (10, 2031279), (15, 1354186), (17, 1194870), (30, 677093), (34, 597435), (51, 398290), (85, 238974), (102, 199145), (170, 119487), (255, 79658), (510, 39829)]