20388645

素因数分解:

$3^3\times 5^1\times {\mathrm{151027}}^1$

素因数の和:151041

約数の個数: 16

約数和(自身を含む): 36246720

約数和(自身を除く): 15858075

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151027, 453081, 755135, 1359243, 2265405, 4077729, 6796215, 20388645]

約数ペア:

[(1, 20388645), (3, 6796215), (5, 4077729), (9, 2265405), (15, 1359243), (27, 755135), (45, 453081), (135, 151027)]