20730890908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1\times {\mathrm{1427}}^1$

素因数の和:1931

約数の個数: 96

約数和(自身を含む): 45220944384

約数和(自身を除く): 24490053476

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 107, 182, 214, 364, 373, 428, 746, 749, 1391, 1427, 1492, 1498, 2611, 2782, 2854, 2996, 4849, 5222, 5564, 5708, 9698, 9737, 9989, 10444, 18551, 19396, 19474, 19978, 33943, 37102, 38948, 39911, 39956, 67886, 74204, 79822, 129857, 135772, 152689, 159644, 259714, 279377, 305378, 518843, 519428, 532271, 558754, 610756, 1037686, 1064542, 1068823, 1117508, 1984957, 2075372, 2129084, 2137646, 3631901, 3725897, 3969914, 4275292, 6919523, 7263802, 7451794, 7939828, 13839046, 13894699, 14527604, 14903588, 27678092, 27789398, 48436661, 55578796, 56952997, 96873322, 113905994, 193746644, 227811988, 398670979, 740388961, 797341958, 1480777922, 1594683916, 2961555844, 5182722727, 10365445454, 20730890908]

約数ペア:

[(1, 20730890908), (2, 10365445454), (4, 5182722727), (7, 2961555844), (13, 1594683916), (14, 1480777922), (26, 797341958), (28, 740388961), (52, 398670979), (91, 227811988), (107, 193746644), (182, 113905994), (214, 96873322), (364, 56952997), (373, 55578796), (428, 48436661), (746, 27789398), (749, 27678092), (1391, 14903588), (1427, 14527604), (1492, 13894699), (1498, 13839046), (2611, 7939828), (2782, 7451794), (2854, 7263802), (2996, 6919523), (4849, 4275292), (5222, 3969914), (5564, 3725897), (5708, 3631901), (9698, 2137646), (9737, 2129084), (9989, 2075372), (10444, 1984957), (18551, 1117508), (19396, 1068823), (19474, 1064542), (19978, 1037686), (33943, 610756), (37102, 558754), (38948, 532271), (39911, 519428), (39956, 518843), (67886, 305378), (74204, 279377), (79822, 259714), (129857, 159644), (135772, 152689)]