20921875954

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{219091}}^1$

素因数の和:219478

約数の個数: 32

約数和(自身を含む): 37859097600

約数和(自身を除く): 16937221646

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 359, 718, 2513, 5026, 6821, 13642, 47747, 95494, 219091, 438182, 1533637, 3067274, 4162729, 8325458, 29139103, 58278206, 78653669, 157307338, 550575683, 1101151366, 1494419711, 2988839422, 10460937977, 20921875954]

約数ペア:

[(1, 20921875954), (2, 10460937977), (7, 2988839422), (14, 1494419711), (19, 1101151366), (38, 550575683), (133, 157307338), (266, 78653669), (359, 58278206), (718, 29139103), (2513, 8325458), (5026, 4162729), (6821, 3067274), (13642, 1533637), (47747, 438182), (95494, 219091)]