20161465945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:910

約数の個数: 64

約数和(自身を含む): 26906250816

約数和(自身を除く): 6744784871

約数列:

[1, 5, 17, 37, 73, 85, 137, 185, 365, 629, 641, 685, 1241, 2329, 2701, 3145, 3205, 5069, 6205, 10001, 10897, 11645, 13505, 23717, 25345, 45917, 46793, 50005, 54485, 86173, 87817, 118585, 170017, 229585, 233965, 370037, 403189, 430865, 439085, 795481, 850085, 1492889, 1731341, 1850185, 2015945, 3249229, 3977405, 6290629, 6410641, 7464445, 8656705, 16246145, 29432797, 31453145, 32053205, 55236893, 108980897, 147163985, 237193717, 276184465, 544904485, 1185968585, 4032293189, 20161465945]

約数ペア:

[(1, 20161465945), (5, 4032293189), (17, 1185968585), (37, 544904485), (73, 276184465), (85, 237193717), (137, 147163985), (185, 108980897), (365, 55236893), (629, 32053205), (641, 31453145), (685, 29432797), (1241, 16246145), (2329, 8656705), (2701, 7464445), (3145, 6410641), (3205, 6290629), (5069, 3977405), (6205, 3249229), (10001, 2015945), (10897, 1850185), (11645, 1731341), (13505, 1492889), (23717, 850085), (25345, 795481), (45917, 439085), (46793, 430865), (50005, 403189), (54485, 370037), (86173, 233965), (87817, 229585), (118585, 170017)]