20129992082

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1\times {\mathrm{4783}}^1$

素因数の和:5450

約数の個数: 32

約数和(自身を含む): 31516992000

約数和(自身を除く): 11386999918

約数列:

[1, 2, 29, 58, 149, 298, 487, 974, 4321, 4783, 8642, 9566, 14123, 28246, 72563, 138707, 145126, 277414, 712667, 1425334, 2104327, 2329321, 4208654, 4658642, 20667343, 41334686, 67550309, 135100618, 347068829, 694137658, 10064996041, 20129992082]

約数ペア:

[(1, 20129992082), (2, 10064996041), (29, 694137658), (58, 347068829), (149, 135100618), (298, 67550309), (487, 41334686), (974, 20667343), (4321, 4658642), (4783, 4208654), (8642, 2329321), (9566, 2104327), (14123, 1425334), (28246, 712667), (72563, 277414), (138707, 145126)]