20048875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2083}}^1$

素因数の和:2116

約数の個数: 32

約数和(自身を含む): 31209984

約数和(自身を除く): 11161109

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 875, 1375, 1925, 2083, 9625, 10415, 14581, 22913, 52075, 72905, 114565, 160391, 260375, 364525, 572825, 801955, 1822625, 2864125, 4009775, 20048875]

約数ペア:

[(1, 20048875), (5, 4009775), (7, 2864125), (11, 1822625), (25, 801955), (35, 572825), (55, 364525), (77, 260375), (125, 160391), (175, 114565), (275, 72905), (385, 52075), (875, 22913), (1375, 14581), (1925, 10415), (2083, 9625)]