20425290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7019}}^1$

素因数の和:7126

約数の個数: 32

約数和(自身を含む): 49533120

約数和(自身を除く): 29107830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 7019, 14038, 21057, 35095, 42114, 70190, 105285, 210570, 680843, 1361686, 2042529, 3404215, 4085058, 6808430, 10212645, 20425290]

約数ペア:

[(1, 20425290), (2, 10212645), (3, 6808430), (5, 4085058), (6, 3404215), (10, 2042529), (15, 1361686), (30, 680843), (97, 210570), (194, 105285), (291, 70190), (485, 42114), (582, 35095), (970, 21057), (1455, 14038), (2910, 7019)]