20784136

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1949}}^1$

素因数の和:2029

約数の個数: 32

約数和(自身を含む): 41184000

約数和(自身を除く): 20399864

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 172, 248, 344, 1333, 1949, 2666, 3898, 5332, 7796, 10664, 15592, 60419, 83807, 120838, 167614, 241676, 335228, 483352, 670456, 2598017, 5196034, 10392068, 20784136]

約数ペア:

[(1, 20784136), (2, 10392068), (4, 5196034), (8, 2598017), (31, 670456), (43, 483352), (62, 335228), (86, 241676), (124, 167614), (172, 120838), (248, 83807), (344, 60419), (1333, 15592), (1949, 10664), (2666, 7796), (3898, 5332)]