20470814

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 38114496

約数和(自身を除く): 17643682

約数列:

[1, 2, 7, 13, 14, 26, 91, 137, 182, 274, 821, 959, 1642, 1781, 1918, 3562, 5747, 10673, 11494, 12467, 21346, 24934, 74711, 112477, 149422, 224954, 787339, 1462201, 1574678, 2924402, 10235407, 20470814]

約数ペア:

[(1, 20470814), (2, 10235407), (7, 2924402), (13, 1574678), (14, 1462201), (26, 787339), (91, 224954), (137, 149422), (182, 112477), (274, 74711), (821, 24934), (959, 21346), (1642, 12467), (1781, 11494), (1918, 10673), (3562, 5747)]