20736420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{345607}}^1$

素因数の和:345619

約数の個数: 24

約数和(自身を含む): 58062144

約数和(自身を除く): 37325724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 345607, 691214, 1036821, 1382428, 1728035, 2073642, 3456070, 4147284, 5184105, 6912140, 10368210, 20736420]

約数ペア:

[(1, 20736420), (2, 10368210), (3, 6912140), (4, 5184105), (5, 4147284), (6, 3456070), (10, 2073642), (12, 1728035), (15, 1382428), (20, 1036821), (30, 691214), (60, 345607)]