20199394620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{626921}}^1$

素因数の和:627115

約数の個数: 72

約数和(自身を含む): 61613894160

約数和(自身を除く): 41414499540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 2148, 2685, 3222, 3580, 5370, 6444, 8055, 10740, 16110, 32220, 626921, 1253842, 1880763, 2507684, 3134605, 3761526, 5642289, 6269210, 7523052, 9403815, 11284578, 12538420, 18807630, 22569156, 28211445, 37615260, 56422890, 112218859, 112845780, 224437718, 336656577, 448875436, 561094295, 673313154, 1009969731, 1122188590, 1346626308, 1683282885, 2019939462, 2244377180, 3366565770, 4039878924, 5049848655, 6733131540, 10099697310, 20199394620]

約数ペア:

[(1, 20199394620), (2, 10099697310), (3, 6733131540), (4, 5049848655), (5, 4039878924), (6, 3366565770), (9, 2244377180), (10, 2019939462), (12, 1683282885), (15, 1346626308), (18, 1122188590), (20, 1009969731), (30, 673313154), (36, 561094295), (45, 448875436), (60, 336656577), (90, 224437718), (179, 112845780), (180, 112218859), (358, 56422890), (537, 37615260), (716, 28211445), (895, 22569156), (1074, 18807630), (1611, 12538420), (1790, 11284578), (2148, 9403815), (2685, 7523052), (3222, 6269210), (3580, 5642289), (5370, 3761526), (6444, 3134605), (8055, 2507684), (10740, 1880763), (16110, 1253842), (32220, 626921)]