20138026064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3123143}}^1$

素因数の和:3123195

約数の個数: 40

約数和(自身を含む): 43374223872

約数和(自身を除く): 23236197808

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 3123143, 6246286, 12492572, 24985144, 40600859, 49970288, 81201718, 96817433, 162403436, 193634866, 324806872, 387269732, 649613744, 774539464, 1258626629, 1549078928, 2517253258, 5034506516, 10069013032, 20138026064]

約数ペア:

[(1, 20138026064), (2, 10069013032), (4, 5034506516), (8, 2517253258), (13, 1549078928), (16, 1258626629), (26, 774539464), (31, 649613744), (52, 387269732), (62, 324806872), (104, 193634866), (124, 162403436), (208, 96817433), (248, 81201718), (403, 49970288), (496, 40600859), (806, 24985144), (1612, 12492572), (3224, 6246286), (6448, 3123143)]