20996914125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{21121}}^1$

素因数の和:21391

約数の個数: 64

約数和(自身を含む): 38275091712

約数和(自身を除く): 17278177587

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 241, 275, 375, 723, 825, 1205, 1375, 2651, 3615, 4125, 6025, 7953, 13255, 18075, 21121, 30125, 39765, 63363, 66275, 90375, 105605, 198825, 232331, 316815, 331375, 528025, 696993, 994125, 1161655, 1584075, 2640125, 3484965, 5090161, 5808275, 7920375, 15270483, 17424825, 25450805, 29041375, 55991771, 76352415, 87124125, 127254025, 167975313, 279958855, 381762075, 636270125, 839876565, 1399794275, 1908810375, 4199382825, 6998971375, 20996914125]

約数ペア:

[(1, 20996914125), (3, 6998971375), (5, 4199382825), (11, 1908810375), (15, 1399794275), (25, 839876565), (33, 636270125), (55, 381762075), (75, 279958855), (125, 167975313), (165, 127254025), (241, 87124125), (275, 76352415), (375, 55991771), (723, 29041375), (825, 25450805), (1205, 17424825), (1375, 15270483), (2651, 7920375), (3615, 5808275), (4125, 5090161), (6025, 3484965), (7953, 2640125), (13255, 1584075), (18075, 1161655), (21121, 994125), (30125, 696993), (39765, 528025), (63363, 331375), (66275, 316815), (90375, 232331), (105605, 198825)]