20512690550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{449347}}^1$

素因数の和:449453

約数の個数: 48

約数和(自身を含む): 42123678912

約数和(自身を除く): 21610988362

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 83, 110, 166, 275, 415, 550, 830, 913, 1826, 2075, 4150, 4565, 9130, 22825, 45650, 449347, 898694, 2246735, 4493470, 4942817, 9885634, 11233675, 22467350, 24714085, 37295801, 49428170, 74591602, 123570425, 186479005, 247140850, 372958010, 410253811, 820507622, 932395025, 1864790050, 2051269055, 4102538110, 10256345275, 20512690550]

約数ペア:

[(1, 20512690550), (2, 10256345275), (5, 4102538110), (10, 2051269055), (11, 1864790050), (22, 932395025), (25, 820507622), (50, 410253811), (55, 372958010), (83, 247140850), (110, 186479005), (166, 123570425), (275, 74591602), (415, 49428170), (550, 37295801), (830, 24714085), (913, 22467350), (1826, 11233675), (2075, 9885634), (4150, 4942817), (4565, 4493470), (9130, 2246735), (22825, 898694), (45650, 449347)]