20089867821

素因数分解:

$3^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1\times {\mathrm{39667}}^1$

素因数の和:40492

約数の個数: 16

約数和(自身を含む): 26917752768

約数和(自身を除く): 6827884947

約数列:

[1, 3, 401, 421, 1203, 1263, 39667, 119001, 168821, 506463, 15906467, 16699807, 47719401, 50099421, 6696622607, 20089867821]

約数ペア:

[(1, 20089867821), (3, 6696622607), (401, 50099421), (421, 47719401), (1203, 16699807), (1263, 15906467), (39667, 506463), (119001, 168821)]