20518100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10799}}^1$

素因数の和:10832

約数の個数: 36

約数和(自身を含む): 46872000

約数和(自身を除く): 26353900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10799, 21598, 43196, 53995, 107990, 205181, 215980, 269975, 410362, 539950, 820724, 1025905, 1079900, 2051810, 4103620, 5129525, 10259050, 20518100]

約数ペア:

[(1, 20518100), (2, 10259050), (4, 5129525), (5, 4103620), (10, 2051810), (19, 1079900), (20, 1025905), (25, 820724), (38, 539950), (50, 410362), (76, 269975), (95, 215980), (100, 205181), (190, 107990), (380, 53995), (475, 43196), (950, 21598), (1900, 10799)]