20888978148

素因数分解:

$2^2\times 3^2\times {\mathrm{1831}}^1\times {\mathrm{316903}}^1$

素因数の和:318744

約数の個数: 36

約数和(自身を含む): 52831699648

約数和(自身を除く): 31942721500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1831, 3662, 5493, 7324, 10986, 16479, 21972, 32958, 65916, 316903, 633806, 950709, 1267612, 1901418, 2852127, 3802836, 5704254, 11408508, 580249393, 1160498786, 1740748179, 2320997572, 3481496358, 5222244537, 6962992716, 10444489074, 20888978148]

約数ペア:

[(1, 20888978148), (2, 10444489074), (3, 6962992716), (4, 5222244537), (6, 3481496358), (9, 2320997572), (12, 1740748179), (18, 1160498786), (36, 580249393), (1831, 11408508), (3662, 5704254), (5493, 3802836), (7324, 2852127), (10986, 1901418), (16479, 1267612), (21972, 950709), (32958, 633806), (65916, 316903)]