20981344

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{11113}}^1$

素因数の和:11182

約数の個数: 24

約数和(自身を含む): 42010920

約数和(自身を除く): 21029576

約数列:

[1, 2, 4, 8, 16, 32, 59, 118, 236, 472, 944, 1888, 11113, 22226, 44452, 88904, 177808, 355616, 655667, 1311334, 2622668, 5245336, 10490672, 20981344]

約数ペア:

[(1, 20981344), (2, 10490672), (4, 5245336), (8, 2622668), (16, 1311334), (32, 655667), (59, 355616), (118, 177808), (236, 88904), (472, 44452), (944, 22226), (1888, 11113)]