20982888

素因数分解:

$2^3\times 3^4\times {\mathrm{32381}}^1$

素因数の和:32399

約数の個数: 40

約数和(自身を含む): 58773330

約数和(自身を除く): 37790442

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32381, 64762, 97143, 129524, 194286, 259048, 291429, 388572, 582858, 777144, 874287, 1165716, 1748574, 2331432, 2622861, 3497148, 5245722, 6994296, 10491444, 20982888]

約数ペア:

[(1, 20982888), (2, 10491444), (3, 6994296), (4, 5245722), (6, 3497148), (8, 2622861), (9, 2331432), (12, 1748574), (18, 1165716), (24, 874287), (27, 777144), (36, 582858), (54, 388572), (72, 291429), (81, 259048), (108, 194286), (162, 129524), (216, 97143), (324, 64762), (648, 32381)]