20745896

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 40075560

約数和(自身を除く): 19329664

約数列:

[1, 2, 4, 8, 53, 106, 113, 212, 226, 424, 433, 452, 866, 904, 1732, 3464, 5989, 11978, 22949, 23956, 45898, 47912, 48929, 91796, 97858, 183592, 195716, 391432, 2593237, 5186474, 10372948, 20745896]

約数ペア:

[(1, 20745896), (2, 10372948), (4, 5186474), (8, 2593237), (53, 391432), (106, 195716), (113, 183592), (212, 97858), (226, 91796), (424, 48929), (433, 47912), (452, 45898), (866, 23956), (904, 22949), (1732, 11978), (3464, 5989)]