20712944

素因数分解:

$2^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1069}}^1$

素因数の和:1257

約数の個数: 40

約数和(自身を含む): 46172640

約数和(自身を除く): 25459696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173, 346, 692, 1069, 1211, 1384, 2138, 2422, 2768, 4276, 4844, 7483, 8552, 9688, 14966, 17104, 19376, 29932, 59864, 119728, 184937, 369874, 739748, 1294559, 1479496, 2589118, 2958992, 5178236, 10356472, 20712944]

約数ペア:

[(1, 20712944), (2, 10356472), (4, 5178236), (7, 2958992), (8, 2589118), (14, 1479496), (16, 1294559), (28, 739748), (56, 369874), (112, 184937), (173, 119728), (346, 59864), (692, 29932), (1069, 19376), (1211, 17104), (1384, 14966), (2138, 9688), (2422, 8552), (2768, 7483), (4276, 4844)]