20404768332

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1087}}^1\times {\mathrm{120331}}^1$

素因数の和:121438

約数の個数: 48

約数和(自身を含む): 51321116672

約数和(自身を除く): 30916348340

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1087, 2174, 3261, 4348, 6522, 13044, 14131, 28262, 42393, 56524, 84786, 120331, 169572, 240662, 360993, 481324, 721986, 1443972, 1564303, 3128606, 4692909, 6257212, 9385818, 18771636, 130799797, 261599594, 392399391, 523199188, 784798782, 1569597564, 1700397361, 3400794722, 5101192083, 6801589444, 10202384166, 20404768332]

約数ペア:

[(1, 20404768332), (2, 10202384166), (3, 6801589444), (4, 5101192083), (6, 3400794722), (12, 1700397361), (13, 1569597564), (26, 784798782), (39, 523199188), (52, 392399391), (78, 261599594), (156, 130799797), (1087, 18771636), (2174, 9385818), (3261, 6257212), (4348, 4692909), (6522, 3128606), (13044, 1564303), (14131, 1443972), (28262, 721986), (42393, 481324), (56524, 360993), (84786, 240662), (120331, 169572)]