20110903120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{13007}}^1$

素因数の和:13289

約数の個数: 160

約数和(自身を含む): 58532253696

約数和(自身を除く): 38421350576

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 251, 280, 308, 385, 440, 502, 560, 616, 770, 880, 1004, 1232, 1255, 1540, 1757, 2008, 2510, 2761, 3080, 3514, 4016, 5020, 5522, 6160, 7028, 8785, 10040, 11044, 13007, 13805, 14056, 17570, 19327, 20080, 22088, 26014, 27610, 28112, 35140, 38654, 44176, 52028, 55220, 65035, 70280, 77308, 91049, 96635, 104056, 110440, 130070, 140560, 143077, 154616, 182098, 193270, 208112, 220880, 260140, 286154, 309232, 364196, 386540, 455245, 520280, 572308, 715385, 728392, 773080, 910490, 1001539, 1040560, 1144616, 1430770, 1456784, 1546160, 1820980, 2003078, 2289232, 2861540, 3264757, 3641960, 4006156, 5007695, 5723080, 6529514, 7283920, 8012312, 10015390, 11446160, 13059028, 16024624, 16323785, 20030780, 22853299, 26118056, 32647570, 35912327, 40061560, 45706598, 52236112, 65295140, 71824654, 80123120, 91413196, 114266495, 130590280, 143649308, 179561635, 182826392, 228532990, 251386289, 261180560, 287298616, 359123270, 365652784, 457065980, 502772578, 574597232, 718246540, 914131960, 1005545156, 1256931445, 1436493080, 1828263920, 2011090312, 2513862890, 2872986160, 4022180624, 5027725780, 10055451560, 20110903120]

約数ペア:

[(1, 20110903120), (2, 10055451560), (4, 5027725780), (5, 4022180624), (7, 2872986160), (8, 2513862890), (10, 2011090312), (11, 1828263920), (14, 1436493080), (16, 1256931445), (20, 1005545156), (22, 914131960), (28, 718246540), (35, 574597232), (40, 502772578), (44, 457065980), (55, 365652784), (56, 359123270), (70, 287298616), (77, 261180560), (80, 251386289), (88, 228532990), (110, 182826392), (112, 179561635), (140, 143649308), (154, 130590280), (176, 114266495), (220, 91413196), (251, 80123120), (280, 71824654), (308, 65295140), (385, 52236112), (440, 45706598), (502, 40061560), (560, 35912327), (616, 32647570), (770, 26118056), (880, 22853299), (1004, 20030780), (1232, 16323785), (1255, 16024624), (1540, 13059028), (1757, 11446160), (2008, 10015390), (2510, 8012312), (2761, 7283920), (3080, 6529514), (3514, 5723080), (4016, 5007695), (5020, 4006156), (5522, 3641960), (6160, 3264757), (7028, 2861540), (8785, 2289232), (10040, 2003078), (11044, 1820980), (13007, 1546160), (13805, 1456784), (14056, 1430770), (17570, 1144616), (19327, 1040560), (20080, 1001539), (22088, 910490), (26014, 773080), (27610, 728392), (28112, 715385), (35140, 572308), (38654, 520280), (44176, 455245), (52028, 386540), (55220, 364196), (65035, 309232), (70280, 286154), (77308, 260140), (91049, 220880), (96635, 208112), (104056, 193270), (110440, 182098), (130070, 154616), (140560, 143077)]