20154810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51679}}^1$

素因数の和:51702

約数の個数: 32

約数和(自身を含む): 52093440

約数和(自身を除く): 31938630

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51679, 103358, 155037, 258395, 310074, 516790, 671827, 775185, 1343654, 1550370, 2015481, 3359135, 4030962, 6718270, 10077405, 20154810]

約数ペア:

[(1, 20154810), (2, 10077405), (3, 6718270), (5, 4030962), (6, 3359135), (10, 2015481), (13, 1550370), (15, 1343654), (26, 775185), (30, 671827), (39, 516790), (65, 310074), (78, 258395), (130, 155037), (195, 103358), (390, 51679)]