20681799260

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1327}}^1\times {\mathrm{2963}}^1$

素因数の和:4562

約数の個数: 48

約数和(自身を含む): 43644496896

約数和(自身を除く): 22962697636

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 1327, 2630, 2654, 2963, 5260, 5308, 5926, 6635, 11852, 13270, 14815, 26540, 29630, 59260, 349001, 698002, 779269, 1396004, 1558538, 1745005, 3117076, 3490010, 3896345, 3931901, 6980020, 7792690, 7863802, 15585380, 15727604, 19659505, 39319010, 78638020, 1034089963, 2068179926, 4136359852, 5170449815, 10340899630, 20681799260]

約数ペア:

[(1, 20681799260), (2, 10340899630), (4, 5170449815), (5, 4136359852), (10, 2068179926), (20, 1034089963), (263, 78638020), (526, 39319010), (1052, 19659505), (1315, 15727604), (1327, 15585380), (2630, 7863802), (2654, 7792690), (2963, 6980020), (5260, 3931901), (5308, 3896345), (5926, 3490010), (6635, 3117076), (11852, 1745005), (13270, 1558538), (14815, 1396004), (26540, 779269), (29630, 698002), (59260, 349001)]