20236421457

素因数分解:

$3^3\times 7^2\times {\mathrm{1321}}^1\times {\mathrm{11579}}^1$

素因数の和:12923

約数の個数: 48

約数和(自身を含む): 34903972800

約数和(自身を除く): 14667551343

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1321, 1323, 3963, 9247, 11579, 11889, 27741, 34737, 35667, 64729, 81053, 83223, 104211, 194187, 243159, 249669, 312633, 567371, 582561, 729477, 1702113, 1747683, 2188431, 5106339, 15295859, 15319017, 45887577, 107071013, 137662731, 321213039, 412988193, 749497091, 963639117, 2248491273, 2890917351, 6745473819, 20236421457]

約数ペア:

[(1, 20236421457), (3, 6745473819), (7, 2890917351), (9, 2248491273), (21, 963639117), (27, 749497091), (49, 412988193), (63, 321213039), (147, 137662731), (189, 107071013), (441, 45887577), (1321, 15319017), (1323, 15295859), (3963, 5106339), (9247, 2188431), (11579, 1747683), (11889, 1702113), (27741, 729477), (34737, 582561), (35667, 567371), (64729, 312633), (81053, 249669), (83223, 243159), (104211, 194187)]