20861625

素因数分解:

$3^1\times 5^3\times {\mathrm{55631}}^1$

素因数の和:55649

約数の個数: 16

約数和(自身を含む): 34714368

約数和(自身を除く): 13852743

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 55631, 166893, 278155, 834465, 1390775, 4172325, 6953875, 20861625]

約数ペア:

[(1, 20861625), (3, 6953875), (5, 4172325), (15, 1390775), (25, 834465), (75, 278155), (125, 166893), (375, 55631)]