20679148

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 42832384

約数和(自身を除く): 22153236

約数列:

[1, 2, 4, 7, 14, 28, 67, 73, 134, 146, 151, 268, 292, 302, 469, 511, 604, 938, 1022, 1057, 1876, 2044, 2114, 4228, 4891, 9782, 10117, 11023, 19564, 20234, 22046, 34237, 40468, 44092, 68474, 70819, 77161, 136948, 141638, 154322, 283276, 308644, 738541, 1477082, 2954164, 5169787, 10339574, 20679148]

約数ペア:

[(1, 20679148), (2, 10339574), (4, 5169787), (7, 2954164), (14, 1477082), (28, 738541), (67, 308644), (73, 283276), (134, 154322), (146, 141638), (151, 136948), (268, 77161), (292, 70819), (302, 68474), (469, 44092), (511, 40468), (604, 34237), (938, 22046), (1022, 20234), (1057, 19564), (1876, 11023), (2044, 10117), (2114, 9782), (4228, 4891)]