20877285

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9733}}^1$

素因数の和:9765

約数の個数: 32

約数和(自身を含む): 39247488

約数和(自身を除く): 18370203

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9733, 29199, 48665, 107063, 126529, 145995, 321189, 379587, 535315, 632645, 1391819, 1605945, 1897935, 4175457, 6959095, 20877285]

約数ペア:

[(1, 20877285), (3, 6959095), (5, 4175457), (11, 1897935), (13, 1605945), (15, 1391819), (33, 632645), (39, 535315), (55, 379587), (65, 321189), (143, 145995), (165, 126529), (195, 107063), (429, 48665), (715, 29199), (2145, 9733)]