20512671179

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{55837}}^1$

素因数の和:56235

約数の個数: 32

約数和(自身を含む): 27617028096

約数和(自身を除く): 7104356917

約数列:

[1, 7, 11, 13, 77, 91, 143, 367, 1001, 2569, 4037, 4771, 28259, 33397, 52481, 55837, 367367, 390859, 614207, 725881, 4299449, 5081167, 7984691, 20492179, 55892837, 143445253, 225413969, 266398327, 1577897783, 1864788289, 2930381597, 20512671179]

約数ペア:

[(1, 20512671179), (7, 2930381597), (11, 1864788289), (13, 1577897783), (77, 266398327), (91, 225413969), (143, 143445253), (367, 55892837), (1001, 20492179), (2569, 7984691), (4037, 5081167), (4771, 4299449), (28259, 725881), (33397, 614207), (52481, 390859), (55837, 367367)]