20258522

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 33211200

約数和(自身を除く): 12952678

約数列:

[1, 2, 19, 38, 67, 73, 109, 134, 146, 218, 1273, 1387, 2071, 2546, 2774, 4142, 4891, 7303, 7957, 9782, 14606, 15914, 92929, 138757, 151183, 185858, 277514, 302366, 533119, 1066238, 10129261, 20258522]

約数ペア:

[(1, 20258522), (2, 10129261), (19, 1066238), (38, 533119), (67, 302366), (73, 277514), (109, 185858), (134, 151183), (146, 138757), (218, 92929), (1273, 15914), (1387, 14606), (2071, 9782), (2546, 7957), (2774, 7303), (4142, 4891)]