20120780155

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9424253}}^1$

素因数の和:9424326

約数の個数: 16

約数和(自身を含む): 28046579904

約数和(自身を除く): 7925799749

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9424253, 47121265, 65969771, 329848855, 574879433, 2874397165, 4024156031, 20120780155]

約数ペア:

[(1, 20120780155), (5, 4024156031), (7, 2874397165), (35, 574879433), (61, 329848855), (305, 65969771), (427, 47121265), (2135, 9424253)]