20020492765

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{8599}}^1$

素因数の和:8691

約数の個数: 96

約数和(自身を含む): 32612025600

約数和(自身を除く): 12591532835

約数列:

[1, 5, 7, 13, 17, 35, 43, 49, 65, 85, 91, 119, 215, 221, 245, 301, 455, 559, 595, 637, 731, 833, 1105, 1505, 1547, 2107, 2795, 3185, 3655, 3913, 4165, 5117, 7735, 8599, 9503, 10535, 10829, 19565, 25585, 27391, 35819, 42995, 47515, 54145, 60193, 66521, 111787, 136955, 146183, 179095, 300965, 332605, 369757, 421351, 465647, 558935, 730915, 782509, 1023281, 1848785, 1900379, 2106755, 2328235, 2588299, 3912545, 4806841, 5116405, 5477563, 6285869, 7162967, 9501895, 12941495, 13302653, 18118093, 24034205, 27387815, 31429345, 33647887, 35814835, 44001083, 66513265, 81716297, 90590465, 93118571, 168239435, 220005415, 235535209, 308007581, 408581485, 465592855, 572014079, 1177676045, 1540037905, 2860070395, 4004098553, 20020492765]

約数ペア:

[(1, 20020492765), (5, 4004098553), (7, 2860070395), (13, 1540037905), (17, 1177676045), (35, 572014079), (43, 465592855), (49, 408581485), (65, 308007581), (85, 235535209), (91, 220005415), (119, 168239435), (215, 93118571), (221, 90590465), (245, 81716297), (301, 66513265), (455, 44001083), (559, 35814835), (595, 33647887), (637, 31429345), (731, 27387815), (833, 24034205), (1105, 18118093), (1505, 13302653), (1547, 12941495), (2107, 9501895), (2795, 7162967), (3185, 6285869), (3655, 5477563), (3913, 5116405), (4165, 4806841), (5117, 3912545), (7735, 2588299), (8599, 2328235), (9503, 2106755), (10535, 1900379), (10829, 1848785), (19565, 1023281), (25585, 782509), (27391, 730915), (35819, 558935), (42995, 465647), (47515, 421351), (54145, 369757), (60193, 332605), (66521, 300965), (111787, 179095), (136955, 146183)]