20794645

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 7590635

約数列:

[1, 5, 19, 23, 31, 95, 115, 155, 307, 437, 589, 713, 1535, 2185, 2945, 3565, 5833, 7061, 9517, 13547, 29165, 35305, 47585, 67735, 134159, 180823, 218891, 670795, 904115, 1094455, 4158929, 20794645]

約数ペア:

[(1, 20794645), (5, 4158929), (19, 1094455), (23, 904115), (31, 670795), (95, 218891), (115, 180823), (155, 134159), (307, 67735), (437, 47585), (589, 35305), (713, 29165), (1535, 13547), (2185, 9517), (2945, 7061), (3565, 5833)]