20587518

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{163393}}^1$

素因数の和:163408

約数の個数: 24

約数和(自身を含む): 50978928

約数和(自身を除く): 30391410

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 163393, 326786, 490179, 980358, 1143751, 1470537, 2287502, 2941074, 3431253, 6862506, 10293759, 20587518]

約数ペア:

[(1, 20587518), (2, 10293759), (3, 6862506), (6, 3431253), (7, 2941074), (9, 2287502), (14, 1470537), (18, 1143751), (21, 980358), (42, 490179), (63, 326786), (126, 163393)]