20194674731

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{22721}}^1$

素因数の和:22860

約数の個数: 48

約数和(自身を含む): 27415819872

約数和(自身を除く): 7221145141

約数列:

[1, 7, 11, 17, 49, 77, 97, 119, 187, 539, 679, 833, 1067, 1309, 1649, 4753, 7469, 9163, 11543, 18139, 22721, 52283, 80801, 126973, 159047, 249931, 386257, 888811, 1113329, 1749517, 2203937, 2703799, 4248827, 12246619, 15427559, 18926593, 24243307, 29741789, 37466929, 107992913, 169703149, 208192523, 262268503, 412136219, 1187922043, 1835879521, 2884953533, 20194674731]

約数ペア:

[(1, 20194674731), (7, 2884953533), (11, 1835879521), (17, 1187922043), (49, 412136219), (77, 262268503), (97, 208192523), (119, 169703149), (187, 107992913), (539, 37466929), (679, 29741789), (833, 24243307), (1067, 18926593), (1309, 15427559), (1649, 12246619), (4753, 4248827), (7469, 2703799), (9163, 2203937), (11543, 1749517), (18139, 1113329), (22721, 888811), (52283, 386257), (80801, 249931), (126973, 159047)]