20688810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{757}}^1\times {\mathrm{911}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 49773312

約数和(自身を除く): 29084502

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 757, 911, 1514, 1822, 2271, 2733, 3785, 4542, 4555, 5466, 7570, 9110, 11355, 13665, 22710, 27330, 689627, 1379254, 2068881, 3448135, 4137762, 6896270, 10344405, 20688810]

約数ペア:

[(1, 20688810), (2, 10344405), (3, 6896270), (5, 4137762), (6, 3448135), (10, 2068881), (15, 1379254), (30, 689627), (757, 27330), (911, 22710), (1514, 13665), (1822, 11355), (2271, 9110), (2733, 7570), (3785, 5466), (4542, 4555)]