20111356503

素因数分解:

$3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{421}}^1\times {\mathrm{727}}^1$

素因数の和:1317

約数の個数: 72

約数和(自身を含む): 34147058400

約数和(自身を除く): 14035701897

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 149, 421, 441, 447, 727, 1043, 1263, 1341, 2181, 2947, 3129, 3789, 5089, 6543, 7301, 8841, 9387, 15267, 20629, 21903, 26523, 35623, 45801, 61887, 62729, 65709, 106869, 108323, 185661, 188187, 306067, 320607, 324969, 439103, 564561, 758261, 918201, 974907, 1317309, 2142469, 2274783, 2754603, 3073721, 3951927, 5307827, 6427407, 6824349, 9221163, 14997283, 15923481, 19282221, 27663489, 44991849, 45603983, 47770443, 134975547, 136811949, 319227881, 410435847, 957683643, 2234595167, 2873050929, 6703785501, 20111356503]

約数ペア:

[(1, 20111356503), (3, 6703785501), (7, 2873050929), (9, 2234595167), (21, 957683643), (49, 410435847), (63, 319227881), (147, 136811949), (149, 134975547), (421, 47770443), (441, 45603983), (447, 44991849), (727, 27663489), (1043, 19282221), (1263, 15923481), (1341, 14997283), (2181, 9221163), (2947, 6824349), (3129, 6427407), (3789, 5307827), (5089, 3951927), (6543, 3073721), (7301, 2754603), (8841, 2274783), (9387, 2142469), (15267, 1317309), (20629, 974907), (21903, 918201), (26523, 758261), (35623, 564561), (45801, 439103), (61887, 324969), (62729, 320607), (65709, 306067), (106869, 188187), (108323, 185661)]