20840130408

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1\times {\mathrm{1033}}^1$

素因数の和:1507

約数の個数: 128

約数和(自身を含む): 55719861120

約数和(自身を除く): 34879730712

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 197, 204, 251, 394, 408, 502, 591, 753, 788, 1004, 1033, 1182, 1506, 1576, 2008, 2066, 2364, 3012, 3099, 3349, 4132, 4267, 4728, 6024, 6198, 6698, 8264, 8534, 10047, 12396, 12801, 13396, 17068, 17561, 20094, 24792, 25602, 26792, 34136, 35122, 40188, 49447, 51204, 52683, 70244, 80376, 98894, 102408, 105366, 140488, 148341, 197788, 203501, 210732, 259283, 296682, 395576, 407002, 421464, 518566, 593364, 610503, 777849, 814004, 840599, 1037132, 1186728, 1221006, 1555698, 1628008, 1681198, 2074264, 2442012, 2521797, 3111396, 3362396, 3459517, 4407811, 4884024, 5043594, 6222792, 6724792, 6919034, 8815622, 10087188, 10378551, 13223433, 13838068, 17631244, 20174376, 20757102, 26446866, 27676136, 35262488, 41514204, 51078751, 52893732, 83028408, 102157502, 105787464, 153236253, 204315004, 306472506, 408630008, 612945012, 868338767, 1225890024, 1736677534, 2605016301, 3473355068, 5210032602, 6946710136, 10420065204, 20840130408]

約数ペア:

[(1, 20840130408), (2, 10420065204), (3, 6946710136), (4, 5210032602), (6, 3473355068), (8, 2605016301), (12, 1736677534), (17, 1225890024), (24, 868338767), (34, 612945012), (51, 408630008), (68, 306472506), (102, 204315004), (136, 153236253), (197, 105787464), (204, 102157502), (251, 83028408), (394, 52893732), (408, 51078751), (502, 41514204), (591, 35262488), (753, 27676136), (788, 26446866), (1004, 20757102), (1033, 20174376), (1182, 17631244), (1506, 13838068), (1576, 13223433), (2008, 10378551), (2066, 10087188), (2364, 8815622), (3012, 6919034), (3099, 6724792), (3349, 6222792), (4132, 5043594), (4267, 4884024), (4728, 4407811), (6024, 3459517), (6198, 3362396), (6698, 3111396), (8264, 2521797), (8534, 2442012), (10047, 2074264), (12396, 1681198), (12801, 1628008), (13396, 1555698), (17068, 1221006), (17561, 1186728), (20094, 1037132), (24792, 840599), (25602, 814004), (26792, 777849), (34136, 610503), (35122, 593364), (40188, 518566), (49447, 421464), (51204, 407002), (52683, 395576), (70244, 296682), (80376, 259283), (98894, 210732), (102408, 203501), (105366, 197788), (140488, 148341)]