20160868905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{2131}}^1$

素因数の和:2391

約数の個数: 96

約数和(自身を含む): 37715932800

約数和(自身を除く): 17555063895

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 83, 85, 149, 153, 249, 255, 415, 447, 745, 747, 765, 1245, 1341, 1411, 2131, 2235, 2533, 3735, 4233, 6393, 6705, 7055, 7599, 10655, 12367, 12665, 12699, 19179, 21165, 22797, 31965, 36227, 37101, 37995, 61835, 63495, 95895, 108681, 111303, 113985, 176873, 181135, 185505, 210239, 317519, 326043, 530619, 543405, 556515, 630717, 884365, 952557, 1051195, 1587595, 1591857, 1630215, 1892151, 2653095, 2857671, 3006841, 3153585, 4762785, 5397823, 7959285, 9020523, 9460755, 14288355, 15034205, 16193469, 26354077, 26989115, 27061569, 45102615, 48580407, 79062231, 80967345, 131770385, 135307845, 237186693, 242902035, 395311155, 448019309, 1185933465, 1344057927, 2240096545, 4032173781, 6720289635, 20160868905]

約数ペア:

[(1, 20160868905), (3, 6720289635), (5, 4032173781), (9, 2240096545), (15, 1344057927), (17, 1185933465), (45, 448019309), (51, 395311155), (83, 242902035), (85, 237186693), (149, 135307845), (153, 131770385), (249, 80967345), (255, 79062231), (415, 48580407), (447, 45102615), (745, 27061569), (747, 26989115), (765, 26354077), (1245, 16193469), (1341, 15034205), (1411, 14288355), (2131, 9460755), (2235, 9020523), (2533, 7959285), (3735, 5397823), (4233, 4762785), (6393, 3153585), (6705, 3006841), (7055, 2857671), (7599, 2653095), (10655, 1892151), (12367, 1630215), (12665, 1591857), (12699, 1587595), (19179, 1051195), (21165, 952557), (22797, 884365), (31965, 630717), (36227, 556515), (37101, 543405), (37995, 530619), (61835, 326043), (63495, 317519), (95895, 210239), (108681, 185505), (111303, 181135), (113985, 176873)]