20477640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170647}}^1$

素因数の和:170661

約数の個数: 32

約数和(自身を含む): 61433280

約数和(自身を除く): 40955640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170647, 341294, 511941, 682588, 853235, 1023882, 1365176, 1706470, 2047764, 2559705, 3412940, 4095528, 5119410, 6825880, 10238820, 20477640]

約数ペア:

[(1, 20477640), (2, 10238820), (3, 6825880), (4, 5119410), (5, 4095528), (6, 3412940), (8, 2559705), (10, 2047764), (12, 1706470), (15, 1365176), (20, 1023882), (24, 853235), (30, 682588), (40, 511941), (60, 341294), (120, 170647)]