20180631772

素因数分解:

$2^2\times 7^2\times {\mathrm{7933}}^1\times {\mathrm{12979}}^1$

素因数の和:20930

約数の個数: 36

約数和(自身を含む): 41090344680

約数和(自身を除く): 20909712908

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 7933, 12979, 15866, 25958, 31732, 51916, 55531, 90853, 111062, 181706, 222124, 363412, 388717, 635971, 777434, 1271942, 1554868, 2543884, 102962407, 205924814, 411849628, 720736849, 1441473698, 2882947396, 5045157943, 10090315886, 20180631772]

約数ペア:

[(1, 20180631772), (2, 10090315886), (4, 5045157943), (7, 2882947396), (14, 1441473698), (28, 720736849), (49, 411849628), (98, 205924814), (196, 102962407), (7933, 2543884), (12979, 1554868), (15866, 1271942), (25958, 777434), (31732, 635971), (51916, 388717), (55531, 363412), (90853, 222124), (111062, 181706)]