20668488

素因数分解:

$2^3\times 3^1\times {\mathrm{127}}^1\times {\mathrm{6781}}^1$

素因数の和:6917

約数の個数: 32

約数和(自身を含む): 52085760

約数和(自身を除く): 31417272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 127, 254, 381, 508, 762, 1016, 1524, 3048, 6781, 13562, 20343, 27124, 40686, 54248, 81372, 162744, 861187, 1722374, 2583561, 3444748, 5167122, 6889496, 10334244, 20668488]

約数ペア:

[(1, 20668488), (2, 10334244), (3, 6889496), (4, 5167122), (6, 3444748), (8, 2583561), (12, 1722374), (24, 861187), (127, 162744), (254, 81372), (381, 54248), (508, 40686), (762, 27124), (1016, 20343), (1524, 13562), (3048, 6781)]