2020005981

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{20807}}^1$

素因数の和:20910

約数の個数: 48

約数和(自身を含む): 3531700224

約数和(自身を除く): 1511694243

約数列:

[1, 3, 7, 9, 21, 23, 63, 67, 69, 161, 201, 207, 469, 483, 603, 1407, 1449, 1541, 4221, 4623, 10787, 13869, 20807, 32361, 62421, 97083, 145649, 187263, 436947, 478561, 1310841, 1394069, 1435683, 3349927, 4182207, 4307049, 9758483, 10049781, 12546621, 29275449, 30149343, 32063587, 87826347, 96190761, 224445109, 288572283, 673335327, 2020005981]

約数ペア:

[(1, 2020005981), (3, 673335327), (7, 288572283), (9, 224445109), (21, 96190761), (23, 87826347), (63, 32063587), (67, 30149343), (69, 29275449), (161, 12546621), (201, 10049781), (207, 9758483), (469, 4307049), (483, 4182207), (603, 3349927), (1407, 1435683), (1449, 1394069), (1541, 1310841), (4221, 478561), (4623, 436947), (10787, 187263), (13869, 145649), (20807, 97083), (32361, 62421)]