20377071

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 35223552

約数和(自身を除く): 14846481

約数列:

[1, 3, 9, 11, 13, 33, 39, 71, 99, 117, 143, 213, 223, 429, 639, 669, 781, 923, 1287, 2007, 2343, 2453, 2769, 2899, 7029, 7359, 8307, 8697, 10153, 15833, 22077, 26091, 30459, 31889, 47499, 91377, 95667, 142497, 174163, 205829, 287001, 522489, 617487, 1567467, 1852461, 2264119, 6792357, 20377071]

約数ペア:

[(1, 20377071), (3, 6792357), (9, 2264119), (11, 1852461), (13, 1567467), (33, 617487), (39, 522489), (71, 287001), (99, 205829), (117, 174163), (143, 142497), (213, 95667), (223, 91377), (429, 47499), (639, 31889), (669, 30459), (781, 26091), (923, 22077), (1287, 15833), (2007, 10153), (2343, 8697), (2453, 8307), (2769, 7359), (2899, 7029)]