20631312

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 63370944

約数和(自身を除く): 42739632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 103, 104, 107, 117, 144, 156, 206, 208, 214, 234, 309, 312, 321, 412, 428, 468, 618, 624, 642, 824, 856, 927, 936, 963, 1236, 1284, 1339, 1391, 1648, 1712, 1854, 1872, 1926, 2472, 2568, 2678, 2782, 3708, 3852, 4017, 4173, 4944, 5136, 5356, 5564, 7416, 7704, 8034, 8346, 10712, 11021, 11128, 12051, 12519, 14832, 15408, 16068, 16692, 21424, 22042, 22256, 24102, 25038, 32136, 33063, 33384, 44084, 48204, 50076, 64272, 66126, 66768, 88168, 96408, 99189, 100152, 132252, 143273, 176336, 192816, 198378, 200304, 264504, 286546, 396756, 429819, 529008, 573092, 793512, 859638, 1146184, 1289457, 1587024, 1719276, 2292368, 2578914, 3438552, 5157828, 6877104, 10315656, 20631312]

約数ペア:

[(1, 20631312), (2, 10315656), (3, 6877104), (4, 5157828), (6, 3438552), (8, 2578914), (9, 2292368), (12, 1719276), (13, 1587024), (16, 1289457), (18, 1146184), (24, 859638), (26, 793512), (36, 573092), (39, 529008), (48, 429819), (52, 396756), (72, 286546), (78, 264504), (103, 200304), (104, 198378), (107, 192816), (117, 176336), (144, 143273), (156, 132252), (206, 100152), (208, 99189), (214, 96408), (234, 88168), (309, 66768), (312, 66126), (321, 64272), (412, 50076), (428, 48204), (468, 44084), (618, 33384), (624, 33063), (642, 32136), (824, 25038), (856, 24102), (927, 22256), (936, 22042), (963, 21424), (1236, 16692), (1284, 16068), (1339, 15408), (1391, 14832), (1648, 12519), (1712, 12051), (1854, 11128), (1872, 11021), (1926, 10712), (2472, 8346), (2568, 8034), (2678, 7704), (2782, 7416), (3708, 5564), (3852, 5356), (4017, 5136), (4173, 4944)]