20781567382070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{461}}^1\times {\mathrm{617}}^1\times {\mathrm{2347}}^1$

素因数の和:3726

約数の個数: 128

約数和(自身を含む): 41124500347392

約数和(自身を除く): 20342932965322

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 283, 461, 566, 617, 922, 1234, 1415, 2305, 2347, 2830, 3085, 3113, 4610, 4694, 5071, 6170, 6226, 6787, 10142, 11735, 13574, 15565, 23470, 25355, 25817, 31130, 33935, 50710, 51634, 67870, 129085, 130463, 174611, 258170, 260926, 284437, 349222, 568874, 652315, 664201, 873055, 1081967, 1304630, 1328402, 1422185, 1435093, 1448099, 1746110, 1920721, 2163934, 2844370, 2870186, 2896198, 3128807, 3321005, 3841442, 5409835, 6257614, 6642010, 7175465, 7240495, 7306211, 9603605, 10819670, 11901637, 14350930, 14480990, 14612422, 15644035, 15929089, 19207210, 23803274, 31288070, 31858178, 36531055, 59508185, 73062110, 79645445, 80495671, 119016370, 159290890, 160991342, 306196661, 402478355, 409812017, 612393322, 667573639, 804956710, 819624034, 885452381, 1335147278, 1530983305, 1770904762, 2049060085, 3061966610, 3337868195, 3368163271, 4098120170, 4427261905, 4507932187, 6675736390, 6736326542, 7343310029, 8854523810, 9015864374, 14686620058, 16840816355, 22539660935, 33681632710, 36716550145, 45079321870, 73433100290, 188923339837, 377846679674, 944616699185, 1889233398370, 2078156738207, 4156313476414, 10390783691035, 20781567382070]

約数ペア:

[(1, 20781567382070), (2, 10390783691035), (5, 4156313476414), (10, 2078156738207), (11, 1889233398370), (22, 944616699185), (55, 377846679674), (110, 188923339837), (283, 73433100290), (461, 45079321870), (566, 36716550145), (617, 33681632710), (922, 22539660935), (1234, 16840816355), (1415, 14686620058), (2305, 9015864374), (2347, 8854523810), (2830, 7343310029), (3085, 6736326542), (3113, 6675736390), (4610, 4507932187), (4694, 4427261905), (5071, 4098120170), (6170, 3368163271), (6226, 3337868195), (6787, 3061966610), (10142, 2049060085), (11735, 1770904762), (13574, 1530983305), (15565, 1335147278), (23470, 885452381), (25355, 819624034), (25817, 804956710), (31130, 667573639), (33935, 612393322), (50710, 409812017), (51634, 402478355), (67870, 306196661), (129085, 160991342), (130463, 159290890), (174611, 119016370), (258170, 80495671), (260926, 79645445), (284437, 73062110), (349222, 59508185), (568874, 36531055), (652315, 31858178), (664201, 31288070), (873055, 23803274), (1081967, 19207210), (1304630, 15929089), (1328402, 15644035), (1422185, 14612422), (1435093, 14480990), (1448099, 14350930), (1746110, 11901637), (1920721, 10819670), (2163934, 9603605), (2844370, 7306211), (2870186, 7240495), (2896198, 7175465), (3128807, 6642010), (3321005, 6257614), (3841442, 5409835)]