20101235

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 10311565

約数列:

[1, 5, 7, 11, 35, 55, 77, 109, 385, 479, 545, 763, 1199, 2395, 3353, 3815, 5269, 5995, 8393, 16765, 26345, 36883, 41965, 52211, 184415, 261055, 365477, 574321, 1827385, 2871605, 4020247, 20101235]

約数ペア:

[(1, 20101235), (5, 4020247), (7, 2871605), (11, 1827385), (35, 574321), (55, 365477), (77, 261055), (109, 184415), (385, 52211), (479, 41965), (545, 36883), (763, 26345), (1199, 16765), (2395, 8393), (3353, 5995), (3815, 5269)]