201913720

素因数分解:

$2^3\times 5^1\times {\mathrm{5047843}}^1$

素因数の和:5047854

約数の個数: 16

約数和(自身を含む): 454305960

約数和(自身を除く): 252392240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5047843, 10095686, 20191372, 25239215, 40382744, 50478430, 100956860, 201913720]

約数ペア:

[(1, 201913720), (2, 100956860), (4, 50478430), (5, 40382744), (8, 25239215), (10, 20191372), (20, 10095686), (40, 5047843)]