20808846

素因数分解:

$2^1\times 3^3\times {\mathrm{181}}^1\times {\mathrm{2129}}^1$

素因数の和:2321

約数の個数: 32

約数和(自身を含む): 46519200

約数和(自身を除く): 25710354

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 181, 362, 543, 1086, 1629, 2129, 3258, 4258, 4887, 6387, 9774, 12774, 19161, 38322, 57483, 114966, 385349, 770698, 1156047, 2312094, 3468141, 6936282, 10404423, 20808846]

約数ペア:

[(1, 20808846), (2, 10404423), (3, 6936282), (6, 3468141), (9, 2312094), (18, 1156047), (27, 770698), (54, 385349), (181, 114966), (362, 57483), (543, 38322), (1086, 19161), (1629, 12774), (2129, 9774), (3258, 6387), (4258, 4887)]