20598872

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4133}}^1$

素因数の和:4235

約数の個数: 32

約数和(自身を含む): 44647200

約数和(自身を除く): 24048328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4133, 4984, 8266, 16532, 28931, 33064, 57862, 115724, 231448, 367837, 735674, 1471348, 2574859, 2942696, 5149718, 10299436, 20598872]

約数ペア:

[(1, 20598872), (2, 10299436), (4, 5149718), (7, 2942696), (8, 2574859), (14, 1471348), (28, 735674), (56, 367837), (89, 231448), (178, 115724), (356, 57862), (623, 33064), (712, 28931), (1246, 16532), (2492, 8266), (4133, 4984)]