20682772

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:460

約数の個数: 36

約数和(自身を含む): 40189408

約数和(自身を除く): 19506636

約数列:

[1, 2, 4, 11, 22, 44, 121, 151, 242, 283, 302, 484, 566, 604, 1132, 1661, 3113, 3322, 6226, 6644, 12452, 18271, 34243, 36542, 42733, 68486, 73084, 85466, 136972, 170932, 470063, 940126, 1880252, 5170693, 10341386, 20682772]

約数ペア:

[(1, 20682772), (2, 10341386), (4, 5170693), (11, 1880252), (22, 940126), (44, 470063), (121, 170932), (151, 136972), (242, 85466), (283, 73084), (302, 68486), (484, 42733), (566, 36542), (604, 34243), (1132, 18271), (1661, 12452), (3113, 6644), (3322, 6226)]