20684502

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2009

約数の個数: 48

約数和(自身を含む): 48721920

約数和(自身を除く): 28037418

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 93, 114, 171, 186, 279, 342, 558, 589, 1178, 1767, 1951, 3534, 3902, 5301, 5853, 10602, 11706, 17559, 35118, 37069, 60481, 74138, 111207, 120962, 181443, 222414, 333621, 362886, 544329, 667242, 1088658, 1149139, 2298278, 3447417, 6894834, 10342251, 20684502]

約数ペア:

[(1, 20684502), (2, 10342251), (3, 6894834), (6, 3447417), (9, 2298278), (18, 1149139), (19, 1088658), (31, 667242), (38, 544329), (57, 362886), (62, 333621), (93, 222414), (114, 181443), (171, 120962), (186, 111207), (279, 74138), (342, 60481), (558, 37069), (589, 35118), (1178, 17559), (1767, 11706), (1951, 10602), (3534, 5853), (3902, 5301)]