20091030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{669701}}^1$

素因数の和:669711

約数の個数: 16

約数和(自身を含む): 48218544

約数和(自身を除く): 28127514

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 669701, 1339402, 2009103, 3348505, 4018206, 6697010, 10045515, 20091030]

約数ペア:

[(1, 20091030), (2, 10045515), (3, 6697010), (5, 4018206), (6, 3348505), (10, 2009103), (15, 1339402), (30, 669701)]