20193683391

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:653

約数の個数: 96

約数和(自身を含む): 34475051520

約数和(自身を除く): 14281368129

約数列:

[1, 3, 7, 9, 21, 63, 89, 97, 107, 267, 291, 321, 347, 623, 679, 749, 801, 873, 963, 1041, 1869, 2037, 2247, 2429, 3123, 5607, 6111, 6741, 7287, 8633, 9523, 10379, 21861, 25899, 28569, 30883, 31137, 33659, 37129, 60431, 66661, 72653, 77697, 85707, 92649, 93411, 100977, 111387, 181293, 199983, 216181, 217959, 235613, 259903, 277947, 302931, 334161, 543879, 599949, 648543, 653877, 706839, 779709, 923731, 1945629, 2120517, 2339127, 2771193, 2995651, 3304481, 3601513, 6466117, 8313579, 8986953, 9913443, 10804539, 19398351, 20969557, 23131367, 25210591, 26960859, 29740329, 32413617, 58195053, 62908671, 69394101, 75631773, 188726013, 208182303, 226895319, 320534657, 961603971, 2243742599, 2884811913, 6731227797, 20193683391]

約数ペア:

[(1, 20193683391), (3, 6731227797), (7, 2884811913), (9, 2243742599), (21, 961603971), (63, 320534657), (89, 226895319), (97, 208182303), (107, 188726013), (267, 75631773), (291, 69394101), (321, 62908671), (347, 58195053), (623, 32413617), (679, 29740329), (749, 26960859), (801, 25210591), (873, 23131367), (963, 20969557), (1041, 19398351), (1869, 10804539), (2037, 9913443), (2247, 8986953), (2429, 8313579), (3123, 6466117), (5607, 3601513), (6111, 3304481), (6741, 2995651), (7287, 2771193), (8633, 2339127), (9523, 2120517), (10379, 1945629), (21861, 923731), (25899, 779709), (28569, 706839), (30883, 653877), (31137, 648543), (33659, 599949), (37129, 543879), (60431, 334161), (66661, 302931), (72653, 277947), (77697, 259903), (85707, 235613), (92649, 217959), (93411, 216181), (100977, 199983), (111387, 181293)]