20131664

素因数分解:

$2^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1039}}^1$

素因数の和:1227

約数の個数: 40

約数和(自身を含む): 44878080

約数和(自身を除く): 24746416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173, 346, 692, 1039, 1211, 1384, 2078, 2422, 2768, 4156, 4844, 7273, 8312, 9688, 14546, 16624, 19376, 29092, 58184, 116368, 179747, 359494, 718988, 1258229, 1437976, 2516458, 2875952, 5032916, 10065832, 20131664]

約数ペア:

[(1, 20131664), (2, 10065832), (4, 5032916), (7, 2875952), (8, 2516458), (14, 1437976), (16, 1258229), (28, 718988), (56, 359494), (112, 179747), (173, 116368), (346, 58184), (692, 29092), (1039, 19376), (1211, 16624), (1384, 14546), (2078, 9688), (2422, 8312), (2768, 7273), (4156, 4844)]