20914936

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2851}}^1$

素因数の和:2995

約数の個数: 32

約数和(自身を含む): 45175680

約数和(自身を除く): 24260744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2851, 3668, 5702, 7336, 11404, 19957, 22808, 39914, 79828, 159656, 373481, 746962, 1493924, 2614367, 2987848, 5228734, 10457468, 20914936]

約数ペア:

[(1, 20914936), (2, 10457468), (4, 5228734), (7, 2987848), (8, 2614367), (14, 1493924), (28, 746962), (56, 373481), (131, 159656), (262, 79828), (524, 39914), (917, 22808), (1048, 19957), (1834, 11404), (2851, 7336), (3668, 5702)]