20847472

素因数分解:

$2^4\times {\mathrm{839}}^1\times {\mathrm{1553}}^1$

素因数の和:2400

約数の個数: 20

約数和(自身を含む): 40466160

約数和(自身を除く): 19618688

約数列:

[1, 2, 4, 8, 16, 839, 1553, 1678, 3106, 3356, 6212, 6712, 12424, 13424, 24848, 1302967, 2605934, 5211868, 10423736, 20847472]

約数ペア:

[(1, 20847472), (2, 10423736), (4, 5211868), (8, 2605934), (16, 1302967), (839, 24848), (1553, 13424), (1678, 12424), (3106, 6712), (3356, 6212)]