20477609404

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{9767}}^1$

素因数の和:10367

約数の個数: 72

約数和(自身を含む): 43963032960

約数和(自身を除く): 23485423556

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 563, 931, 1126, 1862, 2252, 3724, 3941, 7882, 9767, 10697, 15764, 19534, 21394, 27587, 39068, 42788, 55174, 68369, 74879, 110348, 136738, 149758, 185573, 273476, 299516, 371146, 478583, 524153, 742292, 957166, 1048306, 1299011, 1914332, 2096612, 2598022, 5196044, 5498821, 9093077, 10997642, 18186154, 21995284, 36372308, 38491747, 76983494, 104477599, 153966988, 208955198, 269442229, 417910396, 538884458, 731343193, 1077768916, 1462686386, 2925372772, 5119402351, 10238804702, 20477609404]

約数ペア:

[(1, 20477609404), (2, 10238804702), (4, 5119402351), (7, 2925372772), (14, 1462686386), (19, 1077768916), (28, 731343193), (38, 538884458), (49, 417910396), (76, 269442229), (98, 208955198), (133, 153966988), (196, 104477599), (266, 76983494), (532, 38491747), (563, 36372308), (931, 21995284), (1126, 18186154), (1862, 10997642), (2252, 9093077), (3724, 5498821), (3941, 5196044), (7882, 2598022), (9767, 2096612), (10697, 1914332), (15764, 1299011), (19534, 1048306), (21394, 957166), (27587, 742292), (39068, 524153), (42788, 478583), (55174, 371146), (68369, 299516), (74879, 273476), (110348, 185573), (136738, 149758)]