20163996

素因数分解:

$2^2\times 3^2\times {\mathrm{311}}^1\times {\mathrm{1801}}^1$

素因数の和:2122

約数の個数: 36

約数和(自身を含む): 51162384

約数和(自身を除く): 30998388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 311, 622, 933, 1244, 1801, 1866, 2799, 3602, 3732, 5403, 5598, 7204, 10806, 11196, 16209, 21612, 32418, 64836, 560111, 1120222, 1680333, 2240444, 3360666, 5040999, 6721332, 10081998, 20163996]

約数ペア:

[(1, 20163996), (2, 10081998), (3, 6721332), (4, 5040999), (6, 3360666), (9, 2240444), (12, 1680333), (18, 1120222), (36, 560111), (311, 64836), (622, 32418), (933, 21612), (1244, 16209), (1801, 11196), (1866, 10806), (2799, 7204), (3602, 5598), (3732, 5403)]