20383677

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 31391360

約数和(自身を除く): 11007683

約数列:

[1, 3, 9, 27, 43, 97, 129, 181, 291, 387, 543, 873, 1161, 1629, 2619, 4171, 4887, 7783, 12513, 17557, 23349, 37539, 52671, 70047, 112617, 158013, 210141, 474039, 754951, 2264853, 6794559, 20383677]

約数ペア:

[(1, 20383677), (3, 6794559), (9, 2264853), (27, 754951), (43, 474039), (97, 210141), (129, 158013), (181, 112617), (291, 70047), (387, 52671), (543, 37539), (873, 23349), (1161, 17557), (1629, 12513), (2619, 7783), (4171, 4887)]