20574365

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1063}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 29111040

約数和(自身を除く): 8536675

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 1063, 2765, 3871, 5315, 7441, 19355, 37205, 52087, 83977, 260435, 419885, 587839, 2939195, 4114873, 20574365]

約数ペア:

[(1, 20574365), (5, 4114873), (7, 2939195), (35, 587839), (49, 419885), (79, 260435), (245, 83977), (395, 52087), (553, 37205), (1063, 19355), (2765, 7441), (3871, 5315)]