2000148820

素因数分解:

$2^2\times 5^1\times {\mathrm{22621}}^1\times {\mathrm{4421}}^1$

素因数の和:27051

約数の個数: 24

約数和(自身を含む): 4201448328

約数和(自身を除く): 2201299508

約数列:

[1, 2, 4, 5, 10, 20, 4421, 8842, 17684, 22105, 22621, 44210, 45242, 88420, 90484, 113105, 226210, 452420, 100007441, 200014882, 400029764, 500037205, 1000074410, 2000148820]

約数ペア:

[(1, 2000148820), (2, 1000074410), (4, 500037205), (5, 400029764), (10, 200014882), (20, 100007441), (4421, 452420), (8842, 226210), (17684, 113105), (22105, 90484), (22621, 88420), (44210, 45242)]