20937392

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9839}}^1$

素因数の和:9873

約数の個数: 40

約数和(自身を含む): 48806400

約数和(自身を除く): 27869008

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9839, 19678, 39356, 68873, 78712, 137746, 157424, 186941, 275492, 373882, 550984, 747764, 1101968, 1308587, 1495528, 2617174, 2991056, 5234348, 10468696, 20937392]

約数ペア:

[(1, 20937392), (2, 10468696), (4, 5234348), (7, 2991056), (8, 2617174), (14, 1495528), (16, 1308587), (19, 1101968), (28, 747764), (38, 550984), (56, 373882), (76, 275492), (112, 186941), (133, 157424), (152, 137746), (266, 78712), (304, 68873), (532, 39356), (1064, 19678), (2128, 9839)]