20108898

素因数分解:

$2^1\times 3^4\times {\mathrm{101}}^1\times {\mathrm{1229}}^1$

素因数の和:1344

約数の個数: 40

約数和(自身を含む): 45541980

約数和(自身を除く): 25433082

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 101, 162, 202, 303, 606, 909, 1229, 1818, 2458, 2727, 3687, 5454, 7374, 8181, 11061, 16362, 22122, 33183, 66366, 99549, 124129, 199098, 248258, 372387, 744774, 1117161, 2234322, 3351483, 6702966, 10054449, 20108898]

約数ペア:

[(1, 20108898), (2, 10054449), (3, 6702966), (6, 3351483), (9, 2234322), (18, 1117161), (27, 744774), (54, 372387), (81, 248258), (101, 199098), (162, 124129), (202, 99549), (303, 66366), (606, 33183), (909, 22122), (1229, 16362), (1818, 11061), (2458, 8181), (2727, 7374), (3687, 5454)]