20379255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2549}}^1$

素因数の和:2611

約数の個数: 32

約数和(自身を含む): 35985600

約数和(自身を除く): 15606345

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2549, 2665, 7647, 7995, 12745, 33137, 38235, 99411, 104509, 165685, 313527, 497055, 522545, 1358617, 1567635, 4075851, 6793085, 20379255]

約数ペア:

[(1, 20379255), (3, 6793085), (5, 4075851), (13, 1567635), (15, 1358617), (39, 522545), (41, 497055), (65, 313527), (123, 165685), (195, 104509), (205, 99411), (533, 38235), (615, 33137), (1599, 12745), (2549, 7995), (2665, 7647)]