20199932912

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{1237}}^1\times {\mathrm{15233}}^1$

素因数の和:16545

約数の個数: 40

約数和(自身を含む): 39756230736

約数和(自身を除く): 19556297824

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 1237, 2474, 4948, 9896, 15233, 19792, 30466, 60932, 82879, 121864, 165758, 243728, 331516, 663032, 1020611, 1326064, 2041222, 4082444, 8164888, 16329776, 18843221, 37686442, 75372884, 150745768, 301491536, 1262495807, 2524991614, 5049983228, 10099966456, 20199932912]

約数ペア:

[(1, 20199932912), (2, 10099966456), (4, 5049983228), (8, 2524991614), (16, 1262495807), (67, 301491536), (134, 150745768), (268, 75372884), (536, 37686442), (1072, 18843221), (1237, 16329776), (2474, 8164888), (4948, 4082444), (9896, 2041222), (15233, 1326064), (19792, 1020611), (30466, 663032), (60932, 331516), (82879, 243728), (121864, 165758)]