20218043755

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{92381}}^1$

素因数の和:92456

約数の個数: 48

約数和(自身を含む): 30836372544

約数和(自身を除く): 10618328789

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 169, 185, 259, 455, 481, 845, 1183, 1295, 2405, 3367, 5915, 6253, 16835, 31265, 43771, 92381, 218855, 461905, 646667, 1200953, 3233335, 3418097, 6004765, 8406671, 15612389, 17090485, 23926679, 42033355, 44435261, 78061945, 109286723, 119633395, 222176305, 311046827, 546433615, 577658393, 1555234135, 2888291965, 4043608751, 20218043755]

約数ペア:

[(1, 20218043755), (5, 4043608751), (7, 2888291965), (13, 1555234135), (35, 577658393), (37, 546433615), (65, 311046827), (91, 222176305), (169, 119633395), (185, 109286723), (259, 78061945), (455, 44435261), (481, 42033355), (845, 23926679), (1183, 17090485), (1295, 15612389), (2405, 8406671), (3367, 6004765), (5915, 3418097), (6253, 3233335), (16835, 1200953), (31265, 646667), (43771, 461905), (92381, 218855)]