20193459

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 32008704

約数和(自身を除く): 11815245

約数列:

[1, 3, 11, 13, 33, 39, 103, 143, 309, 429, 457, 1133, 1339, 1371, 3399, 4017, 5027, 5941, 14729, 15081, 17823, 44187, 47071, 65351, 141213, 196053, 517781, 611923, 1553343, 1835769, 6731153, 20193459]

約数ペア:

[(1, 20193459), (3, 6731153), (11, 1835769), (13, 1553343), (33, 611923), (39, 517781), (103, 196053), (143, 141213), (309, 65351), (429, 47071), (457, 44187), (1133, 17823), (1339, 15081), (1371, 14729), (3399, 5941), (4017, 5027)]