20131784075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1440557}}^1$

素因数の和:1440623

約数の個数: 24

約数和(自身を含む): 27508895568

約数和(自身を除く): 7377111493

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 2795, 13975, 1440557, 7202785, 18727241, 36013925, 61943951, 93636205, 309719755, 468181025, 805271363, 1548598775, 4026356815, 20131784075]

約数ペア:

[(1, 20131784075), (5, 4026356815), (13, 1548598775), (25, 805271363), (43, 468181025), (65, 309719755), (215, 93636205), (325, 61943951), (559, 36013925), (1075, 18727241), (2795, 7202785), (13975, 1440557)]