20896580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 46663680

約数和(自身を除く): 25767100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 380, 433, 508, 635, 866, 1270, 1732, 2165, 2413, 2540, 4330, 4826, 8227, 8660, 9652, 12065, 16454, 24130, 32908, 41135, 48260, 54991, 82270, 109982, 164540, 219964, 274955, 549910, 1044829, 1099820, 2089658, 4179316, 5224145, 10448290, 20896580]

約数ペア:

[(1, 20896580), (2, 10448290), (4, 5224145), (5, 4179316), (10, 2089658), (19, 1099820), (20, 1044829), (38, 549910), (76, 274955), (95, 219964), (127, 164540), (190, 109982), (254, 82270), (380, 54991), (433, 48260), (508, 41135), (635, 32908), (866, 24130), (1270, 16454), (1732, 12065), (2165, 9652), (2413, 8660), (2540, 8227), (4330, 4826)]