20169797600

素因数分解:

$2^5\times 5^2\times {\mathrm{137}}^1\times {\mathrm{184031}}^1$

素因数の和:184188

約数の個数: 72

約数和(自身を含む): 49599200448

約数和(自身を除く): 29429402848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 137, 160, 200, 274, 400, 548, 685, 800, 1096, 1370, 2192, 2740, 3425, 4384, 5480, 6850, 10960, 13700, 21920, 27400, 54800, 109600, 184031, 368062, 736124, 920155, 1472248, 1840310, 2944496, 3680620, 4600775, 5888992, 7361240, 9201550, 14722480, 18403100, 25212247, 29444960, 36806200, 50424494, 73612400, 100848988, 126061235, 147224800, 201697976, 252122470, 403395952, 504244940, 630306175, 806791904, 1008489880, 1260612350, 2016979760, 2521224700, 4033959520, 5042449400, 10084898800, 20169797600]

約数ペア:

[(1, 20169797600), (2, 10084898800), (4, 5042449400), (5, 4033959520), (8, 2521224700), (10, 2016979760), (16, 1260612350), (20, 1008489880), (25, 806791904), (32, 630306175), (40, 504244940), (50, 403395952), (80, 252122470), (100, 201697976), (137, 147224800), (160, 126061235), (200, 100848988), (274, 73612400), (400, 50424494), (548, 36806200), (685, 29444960), (800, 25212247), (1096, 18403100), (1370, 14722480), (2192, 9201550), (2740, 7361240), (3425, 5888992), (4384, 4600775), (5480, 3680620), (6850, 2944496), (10960, 1840310), (13700, 1472248), (21920, 920155), (27400, 736124), (54800, 368062), (109600, 184031)]