20142100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{18311}}^1$

素因数の和:18336

約数の個数: 36

約数和(自身を含む): 47684448

約数和(自身を除く): 27542348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 18311, 36622, 73244, 91555, 183110, 201421, 366220, 402842, 457775, 805684, 915550, 1007105, 1831100, 2014210, 4028420, 5035525, 10071050, 20142100]

約数ペア:

[(1, 20142100), (2, 10071050), (4, 5035525), (5, 4028420), (10, 2014210), (11, 1831100), (20, 1007105), (22, 915550), (25, 805684), (44, 457775), (50, 402842), (55, 366220), (100, 201421), (110, 183110), (220, 91555), (275, 73244), (550, 36622), (1100, 18311)]