20122031839

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{4451}}^1$

素因数の和:4676

約数の個数: 48

約数和(自身を含む): 25920470016

約数和(自身を除く): 5798438177

約数列:

[1, 7, 13, 47, 49, 91, 151, 329, 611, 637, 1057, 1963, 2303, 4277, 4451, 7097, 7399, 13741, 29939, 31157, 49679, 57863, 92261, 96187, 209197, 218099, 347753, 405041, 645827, 672101, 1464379, 2719561, 2835287, 4520789, 4704707, 8737313, 10250653, 19036927, 31588747, 32932949, 61161191, 133258489, 221121229, 410653711, 428128337, 1547848603, 2874575977, 20122031839]

約数ペア:

[(1, 20122031839), (7, 2874575977), (13, 1547848603), (47, 428128337), (49, 410653711), (91, 221121229), (151, 133258489), (329, 61161191), (611, 32932949), (637, 31588747), (1057, 19036927), (1963, 10250653), (2303, 8737313), (4277, 4704707), (4451, 4520789), (7097, 2835287), (7399, 2719561), (13741, 1464379), (29939, 672101), (31157, 645827), (49679, 405041), (57863, 347753), (92261, 218099), (96187, 209197)]