20931960500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{3805811}}^1$

素因数の和:3805841

約数の個数: 48

約数和(自身を含む): 49871360448

約数和(自身を除く): 28939399948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 5500, 3805811, 7611622, 15223244, 19029055, 38058110, 41863921, 76116220, 83727842, 95145275, 167455684, 190290550, 209319605, 380581100, 418639210, 475726375, 837278420, 951452750, 1046598025, 1902905500, 2093196050, 4186392100, 5232990125, 10465980250, 20931960500]

約数ペア:

[(1, 20931960500), (2, 10465980250), (4, 5232990125), (5, 4186392100), (10, 2093196050), (11, 1902905500), (20, 1046598025), (22, 951452750), (25, 837278420), (44, 475726375), (50, 418639210), (55, 380581100), (100, 209319605), (110, 190290550), (125, 167455684), (220, 95145275), (250, 83727842), (275, 76116220), (500, 41863921), (550, 38058110), (1100, 19029055), (1375, 15223244), (2750, 7611622), (5500, 3805811)]