20209839

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 10272081

約数列:

[1, 3, 13, 29, 39, 87, 107, 167, 321, 377, 501, 1131, 1391, 2171, 3103, 4173, 4843, 6513, 9309, 14529, 17869, 40339, 53607, 62959, 121017, 188877, 232297, 518201, 696891, 1554603, 6736613, 20209839]

約数ペア:

[(1, 20209839), (3, 6736613), (13, 1554603), (29, 696891), (39, 518201), (87, 232297), (107, 188877), (167, 121017), (321, 62959), (377, 53607), (501, 40339), (1131, 17869), (1391, 14529), (2171, 9309), (3103, 6513), (4173, 4843)]