220180796

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{454919}}^1$

素因数の和:454945

約数の個数: 18

約数和(自身を含む): 423530520

約数和(自身を除く): 203349724

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 454919, 909838, 1819676, 5004109, 10008218, 20016436, 55045199, 110090398, 220180796]

約数ペア:

[(1, 220180796), (2, 110090398), (4, 55045199), (11, 20016436), (22, 10008218), (44, 5004109), (121, 1819676), (242, 909838), (484, 454919)]