20415231

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 30635904

約数和(自身を除く): 10220673

約数列:

[1, 3, 9, 37, 101, 111, 303, 333, 607, 909, 1821, 3737, 5463, 11211, 22459, 33633, 61307, 67377, 183921, 202131, 551763, 2268359, 6805077, 20415231]

約数ペア:

[(1, 20415231), (3, 6805077), (9, 2268359), (37, 551763), (101, 202131), (111, 183921), (303, 67377), (333, 61307), (607, 33633), (909, 22459), (1821, 11211), (3737, 5463)]