20210389936

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:971

約数の個数: 120

約数和(自身を含む): 44051055552

約数和(自身を除く): 23840665616

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 121, 176, 212, 242, 424, 431, 457, 484, 583, 848, 862, 914, 968, 1166, 1724, 1828, 1936, 2332, 3448, 3656, 4664, 4741, 5027, 6413, 6896, 7312, 9328, 9482, 10054, 12826, 18964, 20108, 22843, 24221, 25652, 37928, 40216, 45686, 48442, 51304, 52151, 55297, 75856, 80432, 91372, 96884, 102608, 104302, 110594, 182744, 193768, 196967, 208604, 221188, 251273, 266431, 365488, 387536, 393934, 417208, 442376, 502546, 532862, 787868, 834416, 884752, 1005092, 1065724, 1575736, 2010184, 2131448, 2166637, 2764003, 2930741, 3151472, 4020368, 4262896, 4333274, 5528006, 5861482, 8666548, 10439251, 11056012, 11722964, 17333096, 20878502, 22112024, 23445928, 23833007, 34666192, 41757004, 44224048, 46891856, 47666014, 83514008, 95332028, 114831761, 167028016, 190664056, 229663522, 381328112, 459327044, 918654088, 1263149371, 1837308176, 2526298742, 5052597484, 10105194968, 20210389936]

約数ペア:

[(1, 20210389936), (2, 10105194968), (4, 5052597484), (8, 2526298742), (11, 1837308176), (16, 1263149371), (22, 918654088), (44, 459327044), (53, 381328112), (88, 229663522), (106, 190664056), (121, 167028016), (176, 114831761), (212, 95332028), (242, 83514008), (424, 47666014), (431, 46891856), (457, 44224048), (484, 41757004), (583, 34666192), (848, 23833007), (862, 23445928), (914, 22112024), (968, 20878502), (1166, 17333096), (1724, 11722964), (1828, 11056012), (1936, 10439251), (2332, 8666548), (3448, 5861482), (3656, 5528006), (4664, 4333274), (4741, 4262896), (5027, 4020368), (6413, 3151472), (6896, 2930741), (7312, 2764003), (9328, 2166637), (9482, 2131448), (10054, 2010184), (12826, 1575736), (18964, 1065724), (20108, 1005092), (22843, 884752), (24221, 834416), (25652, 787868), (37928, 532862), (40216, 502546), (45686, 442376), (48442, 417208), (51304, 393934), (52151, 387536), (55297, 365488), (75856, 266431), (80432, 251273), (91372, 221188), (96884, 208604), (102608, 196967), (104302, 193768), (110594, 182744)]