20153253127

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 25716787200

約数和(自身を除く): 5563534073

約数列:

[1, 7, 19, 29, 53, 133, 203, 311, 317, 371, 551, 1007, 1537, 2177, 2219, 3857, 5909, 6023, 7049, 9019, 9193, 10759, 16483, 16801, 29203, 41363, 42161, 63133, 64351, 98587, 115381, 117607, 171361, 174667, 204421, 313177, 319219, 478007, 487229, 690109, 1199527, 1222669, 1873153, 2192239, 2234533, 2859023, 3346049, 3410603, 5225111, 9082133, 9257351, 13112071, 20013161, 36575777, 54321437, 63574931, 64801457, 99277109, 151528219, 380250059, 694939763, 1060697533, 2879036161, 20153253127]

約数ペア:

[(1, 20153253127), (7, 2879036161), (19, 1060697533), (29, 694939763), (53, 380250059), (133, 151528219), (203, 99277109), (311, 64801457), (317, 63574931), (371, 54321437), (551, 36575777), (1007, 20013161), (1537, 13112071), (2177, 9257351), (2219, 9082133), (3857, 5225111), (5909, 3410603), (6023, 3346049), (7049, 2859023), (9019, 2234533), (9193, 2192239), (10759, 1873153), (16483, 1222669), (16801, 1199527), (29203, 690109), (41363, 487229), (42161, 478007), (63133, 319219), (64351, 313177), (98587, 204421), (115381, 174667), (117607, 171361)]