20165681778

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{2393}}^1\times {\mathrm{127681}}^1$

素因数の和:130090

約数の個数: 32

約数和(自身を含む): 44016581952

約数和(自身を除く): 23850900174

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 2393, 4786, 7179, 14358, 26323, 52646, 78969, 127681, 157938, 255362, 383043, 766086, 1404491, 2808982, 4213473, 8426946, 305540633, 611081266, 916621899, 1833243798, 3360946963, 6721893926, 10082840889, 20165681778]

約数ペア:

[(1, 20165681778), (2, 10082840889), (3, 6721893926), (6, 3360946963), (11, 1833243798), (22, 916621899), (33, 611081266), (66, 305540633), (2393, 8426946), (4786, 4213473), (7179, 2808982), (14358, 1404491), (26323, 766086), (52646, 383043), (78969, 255362), (127681, 157938)]