20247007221

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2416399}}^1$

素因数の和:2416438

約数の個数: 36

約数和(自身を含む): 35811048000

約数和(自身を除く): 15564040779

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 2416399, 7249197, 16914793, 21747591, 45911581, 50744379, 118403551, 137734743, 152233137, 321381067, 355210653, 413204229, 964143201, 1065631959, 2249667469, 2892429603, 6749002407, 20247007221]

約数ペア:

[(1, 20247007221), (3, 6749002407), (7, 2892429603), (9, 2249667469), (19, 1065631959), (21, 964143201), (49, 413204229), (57, 355210653), (63, 321381067), (133, 152233137), (147, 137734743), (171, 118403551), (399, 50744379), (441, 45911581), (931, 21747591), (1197, 16914793), (2793, 7249197), (8379, 2416399)]