20171728044

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{519301}}^1$

素因数の和:519407

約数の個数: 72

約数和(自身を含む): 55573622832

約数和(自身を除く): 35401894788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 83, 117, 156, 166, 234, 249, 332, 468, 498, 747, 996, 1079, 1494, 2158, 2988, 3237, 4316, 6474, 9711, 12948, 19422, 38844, 519301, 1038602, 1557903, 2077204, 3115806, 4673709, 6231612, 6750913, 9347418, 13501826, 18694836, 20252739, 27003652, 40505478, 43101983, 60758217, 81010956, 86203966, 121516434, 129305949, 172407932, 243032868, 258611898, 387917847, 517223796, 560325779, 775835694, 1120651558, 1551671388, 1680977337, 2241303116, 3361954674, 5042932011, 6723909348, 10085864022, 20171728044]

約数ペア:

[(1, 20171728044), (2, 10085864022), (3, 6723909348), (4, 5042932011), (6, 3361954674), (9, 2241303116), (12, 1680977337), (13, 1551671388), (18, 1120651558), (26, 775835694), (36, 560325779), (39, 517223796), (52, 387917847), (78, 258611898), (83, 243032868), (117, 172407932), (156, 129305949), (166, 121516434), (234, 86203966), (249, 81010956), (332, 60758217), (468, 43101983), (498, 40505478), (747, 27003652), (996, 20252739), (1079, 18694836), (1494, 13501826), (2158, 9347418), (2988, 6750913), (3237, 6231612), (4316, 4673709), (6474, 3115806), (9711, 2077204), (12948, 1557903), (19422, 1038602), (38844, 519301)]