20021530

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1039}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17717990

約数列:

[1, 2, 5, 10, 41, 47, 82, 94, 205, 235, 410, 470, 1039, 1927, 2078, 3854, 5195, 9635, 10390, 19270, 42599, 48833, 85198, 97666, 212995, 244165, 425990, 488330, 2002153, 4004306, 10010765, 20021530]

約数ペア:

[(1, 20021530), (2, 10010765), (5, 4004306), (10, 2002153), (41, 488330), (47, 425990), (82, 244165), (94, 212995), (205, 97666), (235, 85198), (410, 48833), (470, 42599), (1039, 19270), (1927, 10390), (2078, 9635), (3854, 5195)]