20178164728

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{480341}}^1$

素因数の和:480495

約数の個数: 32

約数和(自身を含む): 38907702000

約数和(自身を除く): 18729537272

約数列:

[1, 2, 4, 8, 59, 89, 118, 178, 236, 356, 472, 712, 5251, 10502, 21004, 42008, 480341, 960682, 1921364, 3842728, 28340119, 42750349, 56680238, 85500698, 113360476, 171001396, 226720952, 342002792, 2522270591, 5044541182, 10089082364, 20178164728]

約数ペア:

[(1, 20178164728), (2, 10089082364), (4, 5044541182), (8, 2522270591), (59, 342002792), (89, 226720952), (118, 171001396), (178, 113360476), (236, 85500698), (356, 56680238), (472, 42750349), (712, 28340119), (5251, 3842728), (10502, 1921364), (21004, 960682), (42008, 480341)]