20123176845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{6703}}^1$

素因数の和:6982

約数の個数: 64

約数和(自身を含む): 34834627584

約数和(自身を除く): 14711450739

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 193, 255, 305, 579, 915, 965, 1037, 2895, 3111, 3281, 5185, 6703, 9843, 11773, 15555, 16405, 20109, 33515, 35319, 49215, 58865, 100545, 113951, 176595, 200141, 341853, 408883, 569755, 600423, 1000705, 1226649, 1293679, 1709265, 2044415, 3002115, 3881037, 6133245, 6468395, 6951011, 19405185, 20853033, 21992543, 34755055, 65977629, 78914419, 104265165, 109962715, 236743257, 329888145, 394572095, 1183716285, 1341545123, 4024635369, 6707725615, 20123176845]

約数ペア:

[(1, 20123176845), (3, 6707725615), (5, 4024635369), (15, 1341545123), (17, 1183716285), (51, 394572095), (61, 329888145), (85, 236743257), (183, 109962715), (193, 104265165), (255, 78914419), (305, 65977629), (579, 34755055), (915, 21992543), (965, 20853033), (1037, 19405185), (2895, 6951011), (3111, 6468395), (3281, 6133245), (5185, 3881037), (6703, 3002115), (9843, 2044415), (11773, 1709265), (15555, 1293679), (16405, 1226649), (20109, 1000705), (33515, 600423), (35319, 569755), (49215, 408883), (58865, 341853), (100545, 200141), (113951, 176595)]