20404779535

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{241}}^1\times {\mathrm{6701}}^1$

素因数の和:6992

約数の個数: 48

約数和(自身を含む): 29661014592

約数和(自身を除く): 9256235057

約数列:

[1, 5, 7, 19, 35, 95, 133, 241, 361, 665, 1205, 1687, 1805, 2527, 4579, 6701, 8435, 12635, 22895, 32053, 33505, 46907, 87001, 127319, 160265, 234535, 435005, 609007, 636595, 891233, 1614941, 2419061, 3045035, 4456165, 8074705, 11304587, 12095305, 16933427, 30683879, 56522935, 84667135, 153419395, 214787153, 582993701, 1073935765, 2914968505, 4080955907, 20404779535]

約数ペア:

[(1, 20404779535), (5, 4080955907), (7, 2914968505), (19, 1073935765), (35, 582993701), (95, 214787153), (133, 153419395), (241, 84667135), (361, 56522935), (665, 30683879), (1205, 16933427), (1687, 12095305), (1805, 11304587), (2527, 8074705), (4579, 4456165), (6701, 3045035), (8435, 2419061), (12635, 1614941), (22895, 891233), (32053, 636595), (33505, 609007), (46907, 435005), (87001, 234535), (127319, 160265)]