20170776465

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{155801}}^1$

素因数の和:155959

約数の個数: 64

約数和(自身を含む): 41281297920

約数和(自身を除く): 21110521455

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 137, 189, 315, 411, 685, 945, 959, 1233, 2055, 2877, 3699, 4795, 6165, 8631, 14385, 18495, 25893, 43155, 129465, 155801, 467403, 779005, 1090607, 1402209, 2337015, 3271821, 4206627, 5453035, 7011045, 9815463, 16359105, 21033135, 21344737, 29446389, 49077315, 64034211, 106723685, 147231945, 149413159, 192102633, 320171055, 448239477, 576307899, 747065795, 960513165, 1344718431, 2241197385, 2881539495, 4034155293, 6723592155, 20170776465]

約数ペア:

[(1, 20170776465), (3, 6723592155), (5, 4034155293), (7, 2881539495), (9, 2241197385), (15, 1344718431), (21, 960513165), (27, 747065795), (35, 576307899), (45, 448239477), (63, 320171055), (105, 192102633), (135, 149413159), (137, 147231945), (189, 106723685), (315, 64034211), (411, 49077315), (685, 29446389), (945, 21344737), (959, 21033135), (1233, 16359105), (2055, 9815463), (2877, 7011045), (3699, 5453035), (4795, 4206627), (6165, 3271821), (8631, 2337015), (14385, 1402209), (18495, 1090607), (25893, 779005), (43155, 467403), (129465, 155801)]