20994420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349907}}^1$

素因数の和:349919

約数の個数: 24

約数和(自身を含む): 58784544

約数和(自身を除く): 37790124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349907, 699814, 1049721, 1399628, 1749535, 2099442, 3499070, 4198884, 5248605, 6998140, 10497210, 20994420]

約数ペア:

[(1, 20994420), (2, 10497210), (3, 6998140), (4, 5248605), (5, 4198884), (6, 3499070), (10, 2099442), (12, 1749535), (15, 1399628), (20, 1049721), (30, 699814), (60, 349907)]