20979216

素因数分解:

$2^4\times 3^3\times {\mathrm{48563}}^1$

素因数の和:48580

約数の個数: 40

約数和(自身を含む): 60219360

約数和(自身を除く): 39240144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 48563, 97126, 145689, 194252, 291378, 388504, 437067, 582756, 777008, 874134, 1165512, 1311201, 1748268, 2331024, 2622402, 3496536, 5244804, 6993072, 10489608, 20979216]

約数ペア:

[(1, 20979216), (2, 10489608), (3, 6993072), (4, 5244804), (6, 3496536), (8, 2622402), (9, 2331024), (12, 1748268), (16, 1311201), (18, 1165512), (24, 874134), (27, 777008), (36, 582756), (48, 437067), (54, 388504), (72, 291378), (108, 194252), (144, 145689), (216, 97126), (432, 48563)]