20853837136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1\times {\mathrm{2843}}^1$

素因数の和:3520

約数の個数: 80

約数和(自身を含む): 44790133248

約数和(自身を除く): 23936296112

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 587, 781, 1136, 1174, 1562, 2348, 2843, 3124, 4696, 5686, 6248, 6457, 9392, 11372, 12496, 12914, 22744, 25828, 31273, 41677, 45488, 51656, 62546, 83354, 103312, 125092, 166708, 201853, 250184, 333416, 403706, 458447, 500368, 666832, 807412, 916894, 1614824, 1668841, 1833788, 2220383, 3229648, 3337682, 3667576, 4440766, 6675364, 7335152, 8881532, 13350728, 17763064, 18357251, 26701456, 35526128, 36714502, 73429004, 118487711, 146858008, 236975422, 293716016, 473950844, 947901688, 1303364821, 1895803376, 2606729642, 5213459284, 10426918568, 20853837136]

約数ペア:

[(1, 20853837136), (2, 10426918568), (4, 5213459284), (8, 2606729642), (11, 1895803376), (16, 1303364821), (22, 947901688), (44, 473950844), (71, 293716016), (88, 236975422), (142, 146858008), (176, 118487711), (284, 73429004), (568, 36714502), (587, 35526128), (781, 26701456), (1136, 18357251), (1174, 17763064), (1562, 13350728), (2348, 8881532), (2843, 7335152), (3124, 6675364), (4696, 4440766), (5686, 3667576), (6248, 3337682), (6457, 3229648), (9392, 2220383), (11372, 1833788), (12496, 1668841), (12914, 1614824), (22744, 916894), (25828, 807412), (31273, 666832), (41677, 500368), (45488, 458447), (51656, 403706), (62546, 333416), (83354, 250184), (103312, 201853), (125092, 166708)]