20104564473

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{8443}}^1$

素因数の和:8795

約数の個数: 64

約数和(自身を含む): 34954106880

約数和(自身を除く): 14849542407

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 293, 301, 387, 879, 903, 1161, 2051, 2637, 2709, 6153, 7911, 8127, 8443, 12599, 18459, 25329, 37797, 55377, 59101, 75987, 88193, 113391, 177303, 227961, 264579, 340173, 363049, 531909, 793737, 1089147, 1595727, 2381211, 2473799, 2541343, 3267441, 7421397, 7624029, 9802323, 17316593, 22264191, 22872087, 51949779, 66792573, 68616261, 106373357, 155849337, 319120071, 467548011, 744613499, 957360213, 2233840497, 2872080639, 6701521491, 20104564473]

約数ペア:

[(1, 20104564473), (3, 6701521491), (7, 2872080639), (9, 2233840497), (21, 957360213), (27, 744613499), (43, 467548011), (63, 319120071), (129, 155849337), (189, 106373357), (293, 68616261), (301, 66792573), (387, 51949779), (879, 22872087), (903, 22264191), (1161, 17316593), (2051, 9802323), (2637, 7624029), (2709, 7421397), (6153, 3267441), (7911, 2541343), (8127, 2473799), (8443, 2381211), (12599, 1595727), (18459, 1089147), (25329, 793737), (37797, 531909), (55377, 363049), (59101, 340173), (75987, 264579), (88193, 227961), (113391, 177303)]