20470866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{727}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 46597824

約数和(自身を除く): 26126958

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 361, 494, 722, 727, 741, 1083, 1454, 1482, 2166, 2181, 4362, 4693, 9386, 9451, 13813, 14079, 18902, 27626, 28158, 28353, 41439, 56706, 82878, 179569, 262447, 359138, 524894, 538707, 787341, 1077414, 1574682, 3411811, 6823622, 10235433, 20470866]

約数ペア:

[(1, 20470866), (2, 10235433), (3, 6823622), (6, 3411811), (13, 1574682), (19, 1077414), (26, 787341), (38, 538707), (39, 524894), (57, 359138), (78, 262447), (114, 179569), (247, 82878), (361, 56706), (494, 41439), (722, 28353), (727, 28158), (741, 27626), (1083, 18902), (1454, 14079), (1482, 13813), (2166, 9451), (2181, 9386), (4362, 4693)]