20163397288

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{743}}^1\times {\mathrm{78889}}^1$

素因数の和:79681

約数の個数: 32

約数和(自身を含む): 38738145600

約数和(自身を除く): 18574748312

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 743, 1486, 2972, 5944, 31949, 63898, 78889, 127796, 157778, 255592, 315556, 631112, 3392227, 6784454, 13568908, 27137816, 58614527, 117229054, 234458108, 468916216, 2520424661, 5040849322, 10081698644, 20163397288]

約数ペア:

[(1, 20163397288), (2, 10081698644), (4, 5040849322), (8, 2520424661), (43, 468916216), (86, 234458108), (172, 117229054), (344, 58614527), (743, 27137816), (1486, 13568908), (2972, 6784454), (5944, 3392227), (31949, 631112), (63898, 315556), (78889, 255592), (127796, 157778)]