20196350

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5113}}^1$

素因数の和:5204

約数の個数: 24

約数和(自身を含む): 38048160

約数和(自身を除く): 17851810

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 5113, 10226, 25565, 51130, 127825, 255650, 403927, 807854, 2019635, 4039270, 10098175, 20196350]

約数ペア:

[(1, 20196350), (2, 10098175), (5, 4039270), (10, 2019635), (25, 807854), (50, 403927), (79, 255650), (158, 127825), (395, 51130), (790, 25565), (1975, 10226), (3950, 5113)]