20398767802

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{98443}}^1$

素因数の和:98531

約数の個数: 48

約数和(自身を含む): 37807221312

約数和(自身を除く): 17408453510

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 361, 574, 722, 779, 1558, 2527, 5054, 5453, 10906, 14801, 29602, 98443, 103607, 196886, 207214, 689101, 1378202, 1870417, 3740834, 4036163, 8072326, 13092919, 26185838, 28253141, 35537923, 56506282, 71075846, 76687097, 153374194, 248765461, 497530922, 536809679, 1073619358, 1457054843, 2914109686, 10199383901, 20398767802]

約数ペア:

[(1, 20398767802), (2, 10199383901), (7, 2914109686), (14, 1457054843), (19, 1073619358), (38, 536809679), (41, 497530922), (82, 248765461), (133, 153374194), (266, 76687097), (287, 71075846), (361, 56506282), (574, 35537923), (722, 28253141), (779, 26185838), (1558, 13092919), (2527, 8072326), (5054, 4036163), (5453, 3740834), (10906, 1870417), (14801, 1378202), (29602, 689101), (98443, 207214), (103607, 196886)]