20120851905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1\times {\mathrm{24229}}^1$

素因数の和:24974

約数の個数: 64

約数和(自身を含む): 40194662400

約数和(自身を除く): 20073810495

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 719, 1155, 2157, 3595, 5033, 7909, 10785, 15099, 23727, 24229, 25165, 39545, 55363, 72687, 75495, 118635, 121145, 166089, 169603, 266519, 276815, 363435, 508809, 799557, 830445, 848015, 1332595, 1865633, 2544045, 3997785, 5596899, 9328165, 17420651, 27984495, 52261953, 87103255, 121944557, 191627161, 261309765, 365833671, 574881483, 609722785, 958135805, 1341390127, 1829168355, 2874407415, 4024170381, 6706950635, 20120851905]

約数ペア:

[(1, 20120851905), (3, 6706950635), (5, 4024170381), (7, 2874407415), (11, 1829168355), (15, 1341390127), (21, 958135805), (33, 609722785), (35, 574881483), (55, 365833671), (77, 261309765), (105, 191627161), (165, 121944557), (231, 87103255), (385, 52261953), (719, 27984495), (1155, 17420651), (2157, 9328165), (3595, 5596899), (5033, 3997785), (7909, 2544045), (10785, 1865633), (15099, 1332595), (23727, 848015), (24229, 830445), (25165, 799557), (39545, 508809), (55363, 363435), (72687, 276815), (75495, 266519), (118635, 169603), (121145, 166089)]