20416155

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 33929280

約数和(自身を除く): 13513125

約数列:

[1, 3, 5, 15, 41, 89, 123, 205, 267, 373, 445, 615, 1119, 1335, 1865, 3649, 5595, 10947, 15293, 18245, 33197, 45879, 54735, 76465, 99591, 165985, 229395, 497955, 1361077, 4083231, 6805385, 20416155]

約数ペア:

[(1, 20416155), (3, 6805385), (5, 4083231), (15, 1361077), (41, 497955), (89, 229395), (123, 165985), (205, 99591), (267, 76465), (373, 54735), (445, 45879), (615, 33197), (1119, 18245), (1335, 15293), (1865, 10947), (3649, 5595)]