20516778

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{19319}}^1$

素因数の和:19386

約数の個数: 24

約数和(自身を含む): 45208800

約数和(自身を除く): 24692022

約数列:

[1, 2, 3, 6, 9, 18, 59, 118, 177, 354, 531, 1062, 19319, 38638, 57957, 115914, 173871, 347742, 1139821, 2279642, 3419463, 6838926, 10258389, 20516778]

約数ペア:

[(1, 20516778), (2, 10258389), (3, 6838926), (6, 3419463), (9, 2279642), (18, 1139821), (59, 347742), (118, 173871), (177, 115914), (354, 57957), (531, 38638), (1062, 19319)]