20109641360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:933

約数の個数: 160

約数和(自身を含む): 50269577184

約数和(自身を除く): 30159935824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 170, 202, 272, 281, 340, 404, 505, 521, 562, 680, 808, 1010, 1042, 1124, 1360, 1405, 1616, 1717, 2020, 2084, 2248, 2605, 2810, 3434, 4040, 4168, 4496, 4777, 5210, 5620, 6868, 8080, 8336, 8585, 8857, 9554, 10420, 11240, 13736, 17170, 17714, 19108, 20840, 22480, 23885, 27472, 28381, 34340, 35428, 38216, 41680, 44285, 47770, 52621, 56762, 68680, 70856, 76432, 88570, 95540, 105242, 113524, 137360, 141712, 141905, 146401, 177140, 191080, 210484, 227048, 263105, 283810, 292802, 354280, 382160, 420968, 454096, 482477, 526210, 567620, 585604, 708560, 732005, 841936, 894557, 964954, 1052420, 1135240, 1171208, 1464010, 1789114, 1929908, 2104840, 2270480, 2342416, 2412385, 2488817, 2928020, 3578228, 3859816, 4209680, 4472785, 4824770, 4977634, 5856040, 7156456, 7719632, 8945570, 9649540, 9955268, 11712080, 12444085, 14312912, 14786501, 17891140, 19299080, 19910536, 24888170, 29573002, 35782280, 38598160, 39821072, 49776340, 59146004, 71564560, 73932505, 99552680, 118292008, 147865010, 199105360, 236584016, 251370517, 295730020, 502741034, 591460040, 1005482068, 1182920080, 1256852585, 2010964136, 2513705170, 4021928272, 5027410340, 10054820680, 20109641360]

約数ペア:

[(1, 20109641360), (2, 10054820680), (4, 5027410340), (5, 4021928272), (8, 2513705170), (10, 2010964136), (16, 1256852585), (17, 1182920080), (20, 1005482068), (34, 591460040), (40, 502741034), (68, 295730020), (80, 251370517), (85, 236584016), (101, 199105360), (136, 147865010), (170, 118292008), (202, 99552680), (272, 73932505), (281, 71564560), (340, 59146004), (404, 49776340), (505, 39821072), (521, 38598160), (562, 35782280), (680, 29573002), (808, 24888170), (1010, 19910536), (1042, 19299080), (1124, 17891140), (1360, 14786501), (1405, 14312912), (1616, 12444085), (1717, 11712080), (2020, 9955268), (2084, 9649540), (2248, 8945570), (2605, 7719632), (2810, 7156456), (3434, 5856040), (4040, 4977634), (4168, 4824770), (4496, 4472785), (4777, 4209680), (5210, 3859816), (5620, 3578228), (6868, 2928020), (8080, 2488817), (8336, 2412385), (8585, 2342416), (8857, 2270480), (9554, 2104840), (10420, 1929908), (11240, 1789114), (13736, 1464010), (17170, 1171208), (17714, 1135240), (19108, 1052420), (20840, 964954), (22480, 894557), (23885, 841936), (27472, 732005), (28381, 708560), (34340, 585604), (35428, 567620), (38216, 526210), (41680, 482477), (44285, 454096), (47770, 420968), (52621, 382160), (56762, 354280), (68680, 292802), (70856, 283810), (76432, 263105), (88570, 227048), (95540, 210484), (105242, 191080), (113524, 177140), (137360, 146401), (141712, 141905)]