20857296

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 56567808

約数和(自身を除く): 35710512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 107, 124, 131, 186, 214, 248, 262, 321, 372, 393, 428, 496, 524, 642, 744, 786, 856, 1048, 1284, 1488, 1572, 1712, 2096, 2568, 3144, 3317, 4061, 5136, 6288, 6634, 8122, 9951, 12183, 13268, 14017, 16244, 19902, 24366, 26536, 28034, 32488, 39804, 42051, 48732, 53072, 56068, 64976, 79608, 84102, 97464, 112136, 159216, 168204, 194928, 224272, 336408, 434527, 672816, 869054, 1303581, 1738108, 2607162, 3476216, 5214324, 6952432, 10428648, 20857296]

約数ペア:

[(1, 20857296), (2, 10428648), (3, 6952432), (4, 5214324), (6, 3476216), (8, 2607162), (12, 1738108), (16, 1303581), (24, 869054), (31, 672816), (48, 434527), (62, 336408), (93, 224272), (107, 194928), (124, 168204), (131, 159216), (186, 112136), (214, 97464), (248, 84102), (262, 79608), (321, 64976), (372, 56068), (393, 53072), (428, 48732), (496, 42051), (524, 39804), (642, 32488), (744, 28034), (786, 26536), (856, 24366), (1048, 19902), (1284, 16244), (1488, 14017), (1572, 13268), (1712, 12183), (2096, 9951), (2568, 8122), (3144, 6634), (3317, 6288), (4061, 5136)]