20747029264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{29311}}^1$

素因数の和:29456

約数の個数: 80

約数和(自身を含む): 44881127424

約数和(自身を除く): 24134098160

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 83, 104, 164, 166, 208, 328, 332, 533, 656, 664, 1066, 1079, 1328, 2132, 2158, 3403, 4264, 4316, 6806, 8528, 8632, 13612, 17264, 27224, 29311, 44239, 54448, 58622, 88478, 117244, 176956, 234488, 353912, 381043, 468976, 707824, 762086, 1201751, 1524172, 2403502, 2432813, 3048344, 4807004, 4865626, 6096688, 9614008, 9731252, 15622763, 19228016, 19462504, 31245526, 31626569, 38925008, 62491052, 63253138, 99745333, 124982104, 126506276, 199490666, 249964208, 253012552, 398981332, 506025104, 797962664, 1296689329, 1595925328, 2593378658, 5186757316, 10373514632, 20747029264]

約数ペア:

[(1, 20747029264), (2, 10373514632), (4, 5186757316), (8, 2593378658), (13, 1595925328), (16, 1296689329), (26, 797962664), (41, 506025104), (52, 398981332), (82, 253012552), (83, 249964208), (104, 199490666), (164, 126506276), (166, 124982104), (208, 99745333), (328, 63253138), (332, 62491052), (533, 38925008), (656, 31626569), (664, 31245526), (1066, 19462504), (1079, 19228016), (1328, 15622763), (2132, 9731252), (2158, 9614008), (3403, 6096688), (4264, 4865626), (4316, 4807004), (6806, 3048344), (8528, 2432813), (8632, 2403502), (13612, 1524172), (17264, 1201751), (27224, 762086), (29311, 707824), (44239, 468976), (54448, 381043), (58622, 353912), (88478, 234488), (117244, 176956)]