20378203176

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{81667}}^1$

素因数の和:81994

約数の個数: 64

約数和(自身を含む): 52509257280

約数和(自身を除く): 32131054104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 281, 296, 444, 562, 843, 888, 1124, 1686, 2248, 3372, 6744, 10397, 20794, 31191, 41588, 62382, 81667, 83176, 124764, 163334, 245001, 249528, 326668, 490002, 653336, 980004, 1960008, 3021679, 6043358, 9065037, 12086716, 18130074, 22948427, 24173432, 36260148, 45896854, 68845281, 72520296, 91793708, 137690562, 183587416, 275381124, 550762248, 849091799, 1698183598, 2547275397, 3396367196, 5094550794, 6792734392, 10189101588, 20378203176]

約数ペア:

[(1, 20378203176), (2, 10189101588), (3, 6792734392), (4, 5094550794), (6, 3396367196), (8, 2547275397), (12, 1698183598), (24, 849091799), (37, 550762248), (74, 275381124), (111, 183587416), (148, 137690562), (222, 91793708), (281, 72520296), (296, 68845281), (444, 45896854), (562, 36260148), (843, 24173432), (888, 22948427), (1124, 18130074), (1686, 12086716), (2248, 9065037), (3372, 6043358), (6744, 3021679), (10397, 1960008), (20794, 980004), (31191, 653336), (41588, 490002), (62382, 326668), (81667, 249528), (83176, 245001), (124764, 163334)]