20899642610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1\times {\mathrm{1499}}^1$

素因数の和:2496

約数の個数: 128

約数和(自身を含む): 49455360000

約数和(自身を除く): 28555717390

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 953, 1045, 1330, 1463, 1499, 1906, 2090, 2926, 2998, 4765, 6671, 7315, 7495, 9530, 10483, 10493, 13342, 14630, 14990, 16489, 18107, 20966, 20986, 28481, 32978, 33355, 36214, 52415, 52465, 56962, 66710, 73381, 82445, 90535, 104830, 104930, 115423, 126749, 142405, 146762, 164890, 181070, 199177, 199367, 230846, 253498, 284810, 313291, 366905, 398354, 398734, 577115, 626582, 633745, 733810, 995885, 996835, 1154230, 1267490, 1394239, 1428547, 1566455, 1991770, 1993670, 2193037, 2788478, 2857094, 3132910, 4386074, 6971195, 7142735, 9999829, 10965185, 13942390, 14285470, 15714017, 19999658, 21930370, 27142393, 31428034, 49999145, 54284786, 78570085, 99998290, 109998119, 135711965, 157140170, 189996751, 219996238, 271423930, 298566323, 379993502, 549990595, 597132646, 949983755, 1099981190, 1492831615, 1899967510, 2089964261, 2985663230, 4179928522, 10449821305, 20899642610]

約数ペア:

[(1, 20899642610), (2, 10449821305), (5, 4179928522), (7, 2985663230), (10, 2089964261), (11, 1899967510), (14, 1492831615), (19, 1099981190), (22, 949983755), (35, 597132646), (38, 549990595), (55, 379993502), (70, 298566323), (77, 271423930), (95, 219996238), (110, 189996751), (133, 157140170), (154, 135711965), (190, 109998119), (209, 99998290), (266, 78570085), (385, 54284786), (418, 49999145), (665, 31428034), (770, 27142393), (953, 21930370), (1045, 19999658), (1330, 15714017), (1463, 14285470), (1499, 13942390), (1906, 10965185), (2090, 9999829), (2926, 7142735), (2998, 6971195), (4765, 4386074), (6671, 3132910), (7315, 2857094), (7495, 2788478), (9530, 2193037), (10483, 1993670), (10493, 1991770), (13342, 1566455), (14630, 1428547), (14990, 1394239), (16489, 1267490), (18107, 1154230), (20966, 996835), (20986, 995885), (28481, 733810), (32978, 633745), (33355, 626582), (36214, 577115), (52415, 398734), (52465, 398354), (56962, 366905), (66710, 313291), (73381, 284810), (82445, 253498), (90535, 230846), (104830, 199367), (104930, 199177), (115423, 181070), (126749, 164890), (142405, 146762)]