20477157071

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{142427}}^1$

素因数の和:142523

約数の個数: 32

約数和(自身を含む): 26252328960

約数和(自身を除く): 5775171889

約数列:

[1, 7, 19, 23, 47, 133, 161, 329, 437, 893, 1081, 3059, 6251, 7567, 20539, 142427, 143773, 996989, 2706113, 3275821, 6694069, 18942791, 22930747, 46858483, 62240599, 127187311, 153963587, 435684193, 890311177, 1077745109, 2925308153, 20477157071]

約数ペア:

[(1, 20477157071), (7, 2925308153), (19, 1077745109), (23, 890311177), (47, 435684193), (133, 153963587), (161, 127187311), (329, 62240599), (437, 46858483), (893, 22930747), (1081, 18942791), (3059, 6694069), (6251, 3275821), (7567, 2706113), (20539, 996989), (142427, 143773)]