20986166

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{907}}^1$

素因数の和:1435

約数の個数: 16

約数和(自身を含む): 32949504

約数和(自身を除く): 11963338

約数列:

[1, 2, 23, 46, 503, 907, 1006, 1814, 11569, 20861, 23138, 41722, 456221, 912442, 10493083, 20986166]

約数ペア:

[(1, 20986166), (2, 10493083), (23, 912442), (46, 456221), (503, 41722), (907, 23138), (1006, 20861), (1814, 11569)]