20136800

素因数分解:

$2^5\times 5^2\times {\mathrm{25171}}^1$

素因数の和:25191

約数の個数: 36

約数和(自身を含む): 49160916

約数和(自身を除く): 29024116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25171, 50342, 100684, 125855, 201368, 251710, 402736, 503420, 629275, 805472, 1006840, 1258550, 2013680, 2517100, 4027360, 5034200, 10068400, 20136800]

約数ペア:

[(1, 20136800), (2, 10068400), (4, 5034200), (5, 4027360), (8, 2517100), (10, 2013680), (16, 1258550), (20, 1006840), (25, 805472), (32, 629275), (40, 503420), (50, 402736), (80, 251710), (100, 201368), (160, 125855), (200, 100684), (400, 50342), (800, 25171)]