20179656441

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{2341}}^1$

素因数の和:3044

約数の個数: 80

約数和(自身を含む): 36018985728

約数和(自身を除く): 15839329287

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 661, 1449, 1863, 1983, 2341, 4347, 4627, 5949, 7023, 13041, 13881, 15203, 16387, 17847, 21069, 41643, 45609, 49161, 53541, 53843, 63207, 106421, 124929, 136827, 147483, 161529, 189621, 319263, 374787, 376901, 410481, 442449, 484587, 957789, 1130703, 1231443, 1327347, 1453761, 1547401, 2873367, 3392109, 4361283, 4642203, 8620101, 10176327, 10831807, 13926609, 30528981, 32495421, 35590223, 41779827, 97486263, 106770669, 125339481, 249131561, 292458789, 320312007, 747394683, 877376367, 960936021, 2242184049, 2882808063, 6726552147, 20179656441]

約数ペア:

[(1, 20179656441), (3, 6726552147), (7, 2882808063), (9, 2242184049), (21, 960936021), (23, 877376367), (27, 747394683), (63, 320312007), (69, 292458789), (81, 249131561), (161, 125339481), (189, 106770669), (207, 97486263), (483, 41779827), (567, 35590223), (621, 32495421), (661, 30528981), (1449, 13926609), (1863, 10831807), (1983, 10176327), (2341, 8620101), (4347, 4642203), (4627, 4361283), (5949, 3392109), (7023, 2873367), (13041, 1547401), (13881, 1453761), (15203, 1327347), (16387, 1231443), (17847, 1130703), (21069, 957789), (41643, 484587), (45609, 442449), (49161, 410481), (53541, 376901), (53843, 374787), (63207, 319263), (106421, 189621), (124929, 161529), (136827, 147483)]