20176336

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 21071024

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 109, 184, 218, 368, 436, 503, 872, 1006, 1744, 2012, 2507, 4024, 5014, 8048, 10028, 11569, 20056, 23138, 40112, 46276, 54827, 92552, 109654, 185104, 219308, 438616, 877232, 1261021, 2522042, 5044084, 10088168, 20176336]

約数ペア:

[(1, 20176336), (2, 10088168), (4, 5044084), (8, 2522042), (16, 1261021), (23, 877232), (46, 438616), (92, 219308), (109, 185104), (184, 109654), (218, 92552), (368, 54827), (436, 46276), (503, 40112), (872, 23138), (1006, 20056), (1744, 11569), (2012, 10028), (2507, 8048), (4024, 5014)]