20127272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{521}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 41342400

約数和(自身を除く): 21215128

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 439, 521, 878, 1042, 1756, 2084, 3512, 4168, 4829, 5731, 9658, 11462, 19316, 22924, 38632, 45848, 228719, 457438, 914876, 1829752, 2515909, 5031818, 10063636, 20127272]

約数ペア:

[(1, 20127272), (2, 10063636), (4, 5031818), (8, 2515909), (11, 1829752), (22, 914876), (44, 457438), (88, 228719), (439, 45848), (521, 38632), (878, 22924), (1042, 19316), (1756, 11462), (2084, 9658), (3512, 5731), (4168, 4829)]