20403721900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10738801}}^1$

素因数の和:10738834

約数の個数: 36

約数和(自身を含む): 46606400680

約数和(自身を除く): 26202678780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10738801, 21477602, 42955204, 53694005, 107388010, 204037219, 214776020, 268470025, 408074438, 536940050, 816148876, 1020186095, 1073880100, 2040372190, 4080744380, 5100930475, 10201860950, 20403721900]

約数ペア:

[(1, 20403721900), (2, 10201860950), (4, 5100930475), (5, 4080744380), (10, 2040372190), (19, 1073880100), (20, 1020186095), (25, 816148876), (38, 536940050), (50, 408074438), (76, 268470025), (95, 214776020), (100, 204037219), (190, 107388010), (380, 53694005), (475, 42955204), (950, 21477602), (1900, 10738801)]