20729129680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37016303}}^1$

素因数の和:37016323

約数の個数: 40

約数和(自身を含む): 55080260352

約数和(自身を除く): 34351130672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37016303, 74032606, 148065212, 185081515, 259114121, 296130424, 370163030, 518228242, 592260848, 740326060, 1036456484, 1295570605, 1480652120, 2072912968, 2591141210, 2961304240, 4145825936, 5182282420, 10364564840, 20729129680]

約数ペア:

[(1, 20729129680), (2, 10364564840), (4, 5182282420), (5, 4145825936), (7, 2961304240), (8, 2591141210), (10, 2072912968), (14, 1480652120), (16, 1295570605), (20, 1036456484), (28, 740326060), (35, 592260848), (40, 518228242), (56, 370163030), (70, 296130424), (80, 259114121), (112, 185081515), (140, 148065212), (280, 74032606), (560, 37016303)]