20011024

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1697}}^1$

素因数の和:1783

約数の個数: 40

約数和(自身を含む): 42952608

約数和(自身を除く): 22941584

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 88, 134, 176, 268, 536, 737, 1072, 1474, 1697, 2948, 3394, 5896, 6788, 11792, 13576, 18667, 27152, 37334, 74668, 113699, 149336, 227398, 298672, 454796, 909592, 1250689, 1819184, 2501378, 5002756, 10005512, 20011024]

約数ペア:

[(1, 20011024), (2, 10005512), (4, 5002756), (8, 2501378), (11, 1819184), (16, 1250689), (22, 909592), (44, 454796), (67, 298672), (88, 227398), (134, 149336), (176, 113699), (268, 74668), (536, 37334), (737, 27152), (1072, 18667), (1474, 13576), (1697, 11792), (2948, 6788), (3394, 5896)]