16986520

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{673}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 38337120

約数和(自身を除く): 21350600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 673, 1262, 1346, 2524, 2692, 3155, 3365, 5048, 5384, 6310, 6730, 12620, 13460, 25240, 26920, 424663, 849326, 1698652, 2123315, 3397304, 4246630, 8493260, 16986520]

約数ペア:

[(1, 16986520), (2, 8493260), (4, 4246630), (5, 3397304), (8, 2123315), (10, 1698652), (20, 849326), (40, 424663), (631, 26920), (673, 25240), (1262, 13460), (1346, 12620), (2524, 6730), (2692, 6310), (3155, 5384), (3365, 5048)]