20163485264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1229}}^1\times {\mathrm{78877}}^1$

素因数の和:80127

約数の個数: 40

約数和(自身を含む): 42106653960

約数和(自身を除く): 21943168696

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1229, 2458, 4916, 9832, 15977, 19664, 31954, 63908, 78877, 127816, 157754, 255632, 315508, 631016, 1025401, 1262032, 2050802, 4101604, 8203208, 16406416, 96939833, 193879666, 387759332, 775518664, 1260217829, 1551037328, 2520435658, 5040871316, 10081742632, 20163485264]

約数ペア:

[(1, 20163485264), (2, 10081742632), (4, 5040871316), (8, 2520435658), (13, 1551037328), (16, 1260217829), (26, 775518664), (52, 387759332), (104, 193879666), (208, 96939833), (1229, 16406416), (2458, 8203208), (4916, 4101604), (9832, 2050802), (15977, 1262032), (19664, 1025401), (31954, 631016), (63908, 315508), (78877, 255632), (127816, 157754)]