20288394

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17891}}^1$

素因数の和:17912

約数の個数: 40

約数和(自身を含む): 51958368

約数和(自身を除く): 31669974

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 17891, 35782, 53673, 107346, 125237, 161019, 250474, 322038, 375711, 483057, 751422, 966114, 1127133, 1449171, 2254266, 2898342, 3381399, 6762798, 10144197, 20288394]

約数ペア:

[(1, 20288394), (2, 10144197), (3, 6762798), (6, 3381399), (7, 2898342), (9, 2254266), (14, 1449171), (18, 1127133), (21, 966114), (27, 751422), (42, 483057), (54, 375711), (63, 322038), (81, 250474), (126, 161019), (162, 125237), (189, 107346), (378, 53673), (567, 35782), (1134, 17891)]