20123274535

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{605849}}^1$

素因数の和:605947

約数の個数: 32

約数和(自身を含む): 30127708800

約数和(自身を除く): 10004434265

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 365, 455, 511, 949, 2555, 4745, 6643, 33215, 605849, 3029245, 4240943, 7876037, 21204715, 39380185, 44226977, 55132259, 221134885, 275661295, 309588839, 574950701, 1547944195, 2874753505, 4024654907, 20123274535]

約数ペア:

[(1, 20123274535), (5, 4024654907), (7, 2874753505), (13, 1547944195), (35, 574950701), (65, 309588839), (73, 275661295), (91, 221134885), (365, 55132259), (455, 44226977), (511, 39380185), (949, 21204715), (2555, 7876037), (4745, 4240943), (6643, 3029245), (33215, 605849)]