20091316

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 22043084

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 109, 116, 203, 218, 227, 406, 436, 454, 763, 812, 908, 1526, 1589, 3052, 3161, 3178, 6322, 6356, 6583, 12644, 13166, 22127, 24743, 26332, 44254, 46081, 49486, 88508, 92162, 98972, 173201, 184324, 346402, 692804, 717547, 1435094, 2870188, 5022829, 10045658, 20091316]

約数ペア:

[(1, 20091316), (2, 10045658), (4, 5022829), (7, 2870188), (14, 1435094), (28, 717547), (29, 692804), (58, 346402), (109, 184324), (116, 173201), (203, 98972), (218, 92162), (227, 88508), (406, 49486), (436, 46081), (454, 44254), (763, 26332), (812, 24743), (908, 22127), (1526, 13166), (1589, 12644), (3052, 6583), (3161, 6356), (3178, 6322)]