20833591720

素因数分解:

$2^3\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{423103}}^1$

素因数の和:424345

約数の個数: 32

約数和(自身を含む): 46913771520

約数和(自身を除く): 26080179800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1231, 2462, 4924, 6155, 9848, 12310, 24620, 49240, 423103, 846206, 1692412, 2115515, 3384824, 4231030, 8462060, 16924120, 520839793, 1041679586, 2083359172, 2604198965, 4166718344, 5208397930, 10416795860, 20833591720]

約数ペア:

[(1, 20833591720), (2, 10416795860), (4, 5208397930), (5, 4166718344), (8, 2604198965), (10, 2083359172), (20, 1041679586), (40, 520839793), (1231, 16924120), (2462, 8462060), (4924, 4231030), (6155, 3384824), (9848, 2115515), (12310, 1692412), (24620, 846206), (49240, 423103)]