20121199670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{643}}^1$

素因数の和:1030

約数の個数: 128

約数和(自身を含む): 43311421440

約数和(自身を除く): 23190221770

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 79, 110, 130, 143, 158, 277, 286, 395, 554, 643, 715, 790, 869, 1027, 1286, 1385, 1430, 1738, 2054, 2770, 3047, 3215, 3601, 4345, 5135, 6094, 6430, 7073, 7202, 8359, 8690, 10270, 11297, 14146, 15235, 16718, 18005, 21883, 22594, 30470, 35365, 36010, 39611, 41795, 43766, 50797, 56485, 70730, 79222, 83590, 91949, 101594, 109415, 112970, 178111, 183898, 198055, 218830, 240713, 253985, 284479, 356222, 396110, 459745, 481426, 507970, 558767, 568958, 660361, 890555, 919490, 1117534, 1203565, 1320722, 1422395, 1781110, 1959221, 2315443, 2407130, 2793835, 2844790, 3129269, 3301805, 3918442, 4630886, 5587670, 6258538, 6603610, 7263971, 9796105, 11577215, 14070769, 14527942, 15646345, 19592210, 23154430, 25469873, 28141538, 31292690, 36319855, 50939746, 70353845, 72639710, 127349365, 140707690, 154778459, 182919997, 254698730, 309556918, 365839994, 773892295, 914599985, 1547784590, 1829199970, 2012119967, 4024239934, 10060599835, 20121199670]

約数ペア:

[(1, 20121199670), (2, 10060599835), (5, 4024239934), (10, 2012119967), (11, 1829199970), (13, 1547784590), (22, 914599985), (26, 773892295), (55, 365839994), (65, 309556918), (79, 254698730), (110, 182919997), (130, 154778459), (143, 140707690), (158, 127349365), (277, 72639710), (286, 70353845), (395, 50939746), (554, 36319855), (643, 31292690), (715, 28141538), (790, 25469873), (869, 23154430), (1027, 19592210), (1286, 15646345), (1385, 14527942), (1430, 14070769), (1738, 11577215), (2054, 9796105), (2770, 7263971), (3047, 6603610), (3215, 6258538), (3601, 5587670), (4345, 4630886), (5135, 3918442), (6094, 3301805), (6430, 3129269), (7073, 2844790), (7202, 2793835), (8359, 2407130), (8690, 2315443), (10270, 1959221), (11297, 1781110), (14146, 1422395), (15235, 1320722), (16718, 1203565), (18005, 1117534), (21883, 919490), (22594, 890555), (30470, 660361), (35365, 568958), (36010, 558767), (39611, 507970), (41795, 481426), (43766, 459745), (50797, 396110), (56485, 356222), (70730, 284479), (79222, 253985), (83590, 240713), (91949, 218830), (101594, 198055), (109415, 183898), (112970, 178111)]