20135570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 47401200

約数和(自身を除く): 27265630

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 49, 58, 65, 70, 91, 98, 109, 130, 145, 182, 203, 218, 245, 290, 377, 406, 455, 490, 545, 637, 754, 763, 910, 1015, 1090, 1274, 1417, 1421, 1526, 1885, 2030, 2639, 2834, 2842, 3161, 3185, 3770, 3815, 5278, 5341, 6322, 6370, 7085, 7105, 7630, 9919, 10682, 13195, 14170, 14210, 15805, 18473, 19838, 22127, 26390, 26705, 31610, 36946, 41093, 44254, 49595, 53410, 69433, 82186, 92365, 99190, 110635, 138866, 154889, 184730, 205465, 221270, 287651, 309778, 347165, 410930, 575302, 694330, 774445, 1438255, 1548890, 2013557, 2876510, 4027114, 10067785, 20135570]

約数ペア:

[(1, 20135570), (2, 10067785), (5, 4027114), (7, 2876510), (10, 2013557), (13, 1548890), (14, 1438255), (26, 774445), (29, 694330), (35, 575302), (49, 410930), (58, 347165), (65, 309778), (70, 287651), (91, 221270), (98, 205465), (109, 184730), (130, 154889), (145, 138866), (182, 110635), (203, 99190), (218, 92365), (245, 82186), (290, 69433), (377, 53410), (406, 49595), (455, 44254), (490, 41093), (545, 36946), (637, 31610), (754, 26705), (763, 26390), (910, 22127), (1015, 19838), (1090, 18473), (1274, 15805), (1417, 14210), (1421, 14170), (1526, 13195), (1885, 10682), (2030, 9919), (2639, 7630), (2834, 7105), (2842, 7085), (3161, 6370), (3185, 6322), (3770, 5341), (3815, 5278)]