20923250

素因数分解:

$2^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 18613390

約数列:

[1, 2, 5, 10, 25, 50, 125, 127, 250, 254, 635, 659, 1270, 1318, 3175, 3295, 6350, 6590, 15875, 16475, 31750, 32950, 82375, 83693, 164750, 167386, 418465, 836930, 2092325, 4184650, 10461625, 20923250]

約数ペア:

[(1, 20923250), (2, 10461625), (5, 4184650), (10, 2092325), (25, 836930), (50, 418465), (125, 167386), (127, 164750), (250, 83693), (254, 82375), (635, 32950), (659, 31750), (1270, 16475), (1318, 15875), (3175, 6590), (3295, 6350)]