20858288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3823}}^1$

素因数の和:3873

約数の個数: 40

約数和(自身を含む): 45520896

約数和(自身を除く): 24662608

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3823, 5456, 7646, 15292, 30584, 42053, 61168, 84106, 118513, 168212, 237026, 336424, 474052, 672848, 948104, 1303643, 1896208, 2607286, 5214572, 10429144, 20858288]

約数ペア:

[(1, 20858288), (2, 10429144), (4, 5214572), (8, 2607286), (11, 1896208), (16, 1303643), (22, 948104), (31, 672848), (44, 474052), (62, 336424), (88, 237026), (124, 168212), (176, 118513), (248, 84106), (341, 61168), (496, 42053), (682, 30584), (1364, 15292), (2728, 7646), (3823, 5456)]