20817848

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 40537200

約数和(自身を除く): 19719352

約数列:

[1, 2, 4, 8, 43, 73, 86, 146, 172, 292, 344, 584, 829, 1658, 3139, 3316, 6278, 6632, 12556, 25112, 35647, 60517, 71294, 121034, 142588, 242068, 285176, 484136, 2602231, 5204462, 10408924, 20817848]

約数ペア:

[(1, 20817848), (2, 10408924), (4, 5204462), (8, 2602231), (43, 484136), (73, 285176), (86, 242068), (146, 142588), (172, 121034), (292, 71294), (344, 60517), (584, 35647), (829, 25112), (1658, 12556), (3139, 6632), (3316, 6278)]