201054820

素因数分解:

$2^2\times 5^1\times {\mathrm{3121}}^1\times {\mathrm{3221}}^1$

素因数の和:6351

約数の個数: 24

約数和(自身を含む): 422481528

約数和(自身を除く): 221426708

約数列:

[1, 2, 4, 5, 10, 20, 3121, 3221, 6242, 6442, 12484, 12884, 15605, 16105, 31210, 32210, 62420, 64420, 10052741, 20105482, 40210964, 50263705, 100527410, 201054820]

約数ペア:

[(1, 201054820), (2, 100527410), (4, 50263705), (5, 40210964), (10, 20105482), (20, 10052741), (3121, 64420), (3221, 62420), (6242, 32210), (6442, 31210), (12484, 16105), (12884, 15605)]