20687564964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{11681}}^1\times {\mathrm{13417}}^1$

素因数の和:25116

約数の個数: 48

約数和(自身を含む): 52667689536

約数和(自身を除く): 31980124572

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 11681, 13417, 23362, 26834, 35043, 40251, 46724, 53668, 70086, 80502, 128491, 140172, 147587, 161004, 256982, 295174, 385473, 442761, 513964, 590348, 770946, 885522, 1541892, 1771044, 156723977, 313447954, 470171931, 626895908, 940343862, 1723963747, 1880687724, 3447927494, 5171891241, 6895854988, 10343782482, 20687564964]

約数ペア:

[(1, 20687564964), (2, 10343782482), (3, 6895854988), (4, 5171891241), (6, 3447927494), (11, 1880687724), (12, 1723963747), (22, 940343862), (33, 626895908), (44, 470171931), (66, 313447954), (132, 156723977), (11681, 1771044), (13417, 1541892), (23362, 885522), (26834, 770946), (35043, 590348), (40251, 513964), (46724, 442761), (53668, 385473), (70086, 295174), (80502, 256982), (128491, 161004), (140172, 147587)]