20981334

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7393}}^1$

素因数の和:7452

約数の個数: 32

約数和(自身を含む): 46848384

約数和(自身を除く): 25867050

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 7393, 14786, 22179, 44358, 81323, 162646, 243969, 317899, 487938, 635798, 953697, 1907394, 3496889, 6993778, 10490667, 20981334]

約数ペア:

[(1, 20981334), (2, 10490667), (3, 6993778), (6, 3496889), (11, 1907394), (22, 953697), (33, 635798), (43, 487938), (66, 317899), (86, 243969), (129, 162646), (258, 81323), (473, 44358), (946, 22179), (1419, 14786), (2838, 7393)]