20163687243

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50535557}}^1$

素因数の和:50535586

約数の個数: 16

約数和(自身を含む): 32342757120

約数和(自身を除く): 12179069877

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50535557, 151606671, 353748899, 960175583, 1061246697, 2880526749, 6721229081, 20163687243]

約数ペア:

[(1, 20163687243), (3, 6721229081), (7, 2880526749), (19, 1061246697), (21, 960175583), (57, 353748899), (133, 151606671), (399, 50535557)]