20708649

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1439}}^1$

素因数の和:1502

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13160151

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 351, 369, 533, 1107, 1439, 1599, 4317, 4797, 12951, 14391, 18707, 38853, 56121, 58999, 168363, 176997, 505089, 530991, 766987, 1592973, 2300961, 6902883, 20708649]

約数ペア:

[(1, 20708649), (3, 6902883), (9, 2300961), (13, 1592973), (27, 766987), (39, 530991), (41, 505089), (117, 176997), (123, 168363), (351, 58999), (369, 56121), (533, 38853), (1107, 18707), (1439, 14391), (1599, 12951), (4317, 4797)]