20649844

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{691}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 37511936

約数和(自身を除く): 16862092

約数列:

[1, 2, 4, 31, 62, 124, 241, 482, 691, 964, 1382, 2764, 7471, 14942, 21421, 29884, 42842, 85684, 166531, 333062, 666124, 5162461, 10324922, 20649844]

約数ペア:

[(1, 20649844), (2, 10324922), (4, 5162461), (31, 666124), (62, 333062), (124, 166531), (241, 85684), (482, 42842), (691, 29884), (964, 21421), (1382, 14942), (2764, 7471)]