20526612

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 50783040

約数和(自身を除く): 30256428

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 197, 228, 394, 457, 591, 788, 914, 1182, 1371, 1828, 2364, 2742, 3743, 5484, 7486, 8683, 11229, 14972, 17366, 22458, 26049, 34732, 44916, 52098, 90029, 104196, 180058, 270087, 360116, 540174, 1080348, 1710551, 3421102, 5131653, 6842204, 10263306, 20526612]

約数ペア:

[(1, 20526612), (2, 10263306), (3, 6842204), (4, 5131653), (6, 3421102), (12, 1710551), (19, 1080348), (38, 540174), (57, 360116), (76, 270087), (114, 180058), (197, 104196), (228, 90029), (394, 52098), (457, 44916), (591, 34732), (788, 26049), (914, 22458), (1182, 17366), (1371, 14972), (1828, 11229), (2364, 8683), (2742, 7486), (3743, 5484)]