20348699728

素因数分解:

$2^4\times 7^1\times {\mathrm{7433}}^1\times {\mathrm{24443}}^1$

素因数の和:31891

約数の個数: 40

約数和(自身を含む): 45065740608

約数和(自身を除く): 24717040880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 7433, 14866, 24443, 29732, 48886, 52031, 59464, 97772, 104062, 118928, 171101, 195544, 208124, 342202, 391088, 416248, 684404, 832496, 1368808, 2737616, 181684819, 363369638, 726739276, 1271793733, 1453478552, 2543587466, 2906957104, 5087174932, 10174349864, 20348699728]

約数ペア:

[(1, 20348699728), (2, 10174349864), (4, 5087174932), (7, 2906957104), (8, 2543587466), (14, 1453478552), (16, 1271793733), (28, 726739276), (56, 363369638), (112, 181684819), (7433, 2737616), (14866, 1368808), (24443, 832496), (29732, 684404), (48886, 416248), (52031, 391088), (59464, 342202), (97772, 208124), (104062, 195544), (118928, 171101)]