20565723871

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{1499}}^1$

素因数の和:1804

約数の個数: 64

約数和(自身を含む): 27869184000

約数和(自身を除く): 7303460129

約数列:

[1, 7, 11, 17, 47, 77, 119, 187, 223, 329, 517, 799, 1309, 1499, 1561, 2453, 3619, 3791, 5593, 8789, 10481, 10493, 16489, 17171, 25483, 26537, 41701, 61523, 70453, 73367, 115291, 115423, 178177, 178381, 280313, 291907, 334277, 493171, 774983, 807037, 1197701, 1247239, 1959947, 1962191, 2339939, 3677047, 5424881, 5682709, 8383907, 13174711, 13719629, 15711019, 25739329, 39778963, 62509799, 92222977, 109977133, 172821209, 267087323, 437568593, 1209748463, 1869611261, 2937960553, 20565723871]

約数ペア:

[(1, 20565723871), (7, 2937960553), (11, 1869611261), (17, 1209748463), (47, 437568593), (77, 267087323), (119, 172821209), (187, 109977133), (223, 92222977), (329, 62509799), (517, 39778963), (799, 25739329), (1309, 15711019), (1499, 13719629), (1561, 13174711), (2453, 8383907), (3619, 5682709), (3791, 5424881), (5593, 3677047), (8789, 2339939), (10481, 1962191), (10493, 1959947), (16489, 1247239), (17171, 1197701), (25483, 807037), (26537, 774983), (41701, 493171), (61523, 334277), (70453, 291907), (73367, 280313), (115291, 178381), (115423, 178177)]