20914560099

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{18523}}^1$

素因数の和:18653

約数の個数: 64

約数和(自身を含む): 34143436800

約数和(自身を除く): 13228876701

約数列:

[1, 3, 9, 19, 27, 31, 57, 71, 93, 171, 213, 279, 513, 589, 639, 837, 1349, 1767, 1917, 2201, 4047, 5301, 6603, 12141, 15903, 18523, 19809, 36423, 41819, 55569, 59427, 125457, 166707, 351937, 376371, 500121, 574213, 1055811, 1129113, 1315133, 1722639, 3167433, 3945399, 5167917, 9502299, 10910047, 11836197, 15503751, 24987527, 32730141, 35508591, 40769123, 74962581, 98190423, 122307369, 224887743, 294571269, 366922107, 674663229, 774613337, 1100766321, 2323840011, 6971520033, 20914560099]

約数ペア:

[(1, 20914560099), (3, 6971520033), (9, 2323840011), (19, 1100766321), (27, 774613337), (31, 674663229), (57, 366922107), (71, 294571269), (93, 224887743), (171, 122307369), (213, 98190423), (279, 74962581), (513, 40769123), (589, 35508591), (639, 32730141), (837, 24987527), (1349, 15503751), (1767, 11836197), (1917, 10910047), (2201, 9502299), (4047, 5167917), (5301, 3945399), (6603, 3167433), (12141, 1722639), (15903, 1315133), (18523, 1129113), (19809, 1055811), (36423, 574213), (41819, 500121), (55569, 376371), (59427, 351937), (125457, 166707)]