20346482709

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1620

約数の個数: 144

約数和(自身を含む): 38106132480

約数和(自身を除く): 17759649771

約数列:

[1, 3, 7, 9, 19, 21, 23, 49, 57, 63, 69, 71, 133, 147, 161, 171, 207, 213, 399, 437, 441, 483, 497, 639, 931, 1127, 1197, 1311, 1349, 1449, 1487, 1491, 1633, 2793, 3059, 3381, 3479, 3933, 4047, 4461, 4473, 4899, 8379, 9177, 9443, 10143, 10409, 10437, 11431, 12141, 13383, 14697, 21413, 27531, 28253, 28329, 31027, 31227, 31311, 34201, 34293, 64239, 66101, 72863, 80017, 84759, 84987, 93081, 93681, 102603, 102879, 105577, 192717, 197771, 198303, 217189, 218589, 239407, 240051, 254277, 279243, 307809, 316731, 593313, 594909, 649819, 651567, 655767, 718221, 720153, 739039, 950193, 1384397, 1520323, 1675849, 1779939, 1949457, 1954701, 2005963, 2154663, 2217117, 2428271, 4153191, 4548733, 4560969, 5027547, 5173273, 5848371, 6017889, 6651351, 7284813, 12459573, 13646199, 13682907, 14041741, 15082641, 15519819, 16997897, 18053667, 21854439, 31841131, 40938597, 42125223, 46137149, 46559457, 50993691, 95523393, 98292187, 118985279, 126375669, 138411447, 152981073, 286570179, 294876561, 322960043, 356955837, 415234341, 884629683, 968880129, 1070867511, 2260720301, 2906640387, 6782160903, 20346482709]

約数ペア:

[(1, 20346482709), (3, 6782160903), (7, 2906640387), (9, 2260720301), (19, 1070867511), (21, 968880129), (23, 884629683), (49, 415234341), (57, 356955837), (63, 322960043), (69, 294876561), (71, 286570179), (133, 152981073), (147, 138411447), (161, 126375669), (171, 118985279), (207, 98292187), (213, 95523393), (399, 50993691), (437, 46559457), (441, 46137149), (483, 42125223), (497, 40938597), (639, 31841131), (931, 21854439), (1127, 18053667), (1197, 16997897), (1311, 15519819), (1349, 15082641), (1449, 14041741), (1487, 13682907), (1491, 13646199), (1633, 12459573), (2793, 7284813), (3059, 6651351), (3381, 6017889), (3479, 5848371), (3933, 5173273), (4047, 5027547), (4461, 4560969), (4473, 4548733), (4899, 4153191), (8379, 2428271), (9177, 2217117), (9443, 2154663), (10143, 2005963), (10409, 1954701), (10437, 1949457), (11431, 1779939), (12141, 1675849), (13383, 1520323), (14697, 1384397), (21413, 950193), (27531, 739039), (28253, 720153), (28329, 718221), (31027, 655767), (31227, 651567), (31311, 649819), (34201, 594909), (34293, 593313), (64239, 316731), (66101, 307809), (72863, 279243), (80017, 254277), (84759, 240051), (84987, 239407), (93081, 218589), (93681, 217189), (102603, 198303), (102879, 197771), (105577, 192717)]