20574260385

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{367}}^1\times {\mathrm{857}}^1$

素因数の和:1335

約数の個数: 96

約数和(自身を含む): 38874401280

約数和(自身を除く): 18300140895

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 89, 105, 147, 245, 267, 367, 445, 623, 735, 857, 1101, 1335, 1835, 1869, 2569, 2571, 3115, 4285, 4361, 5505, 5999, 7707, 9345, 12845, 12855, 13083, 17983, 17997, 21805, 29995, 32663, 38535, 41993, 53949, 65415, 76273, 89915, 89985, 97989, 125979, 163315, 209965, 228641, 228819, 269745, 314519, 381365, 489945, 533911, 629895, 685923, 943557, 1143205, 1144095, 1572595, 1600487, 1601733, 2201633, 2669555, 3429615, 3737377, 4717785, 4801461, 6604899, 8002435, 8008665, 11008165, 11212131, 15411431, 18686885, 24007305, 27992191, 33024495, 46234293, 56060655, 77057155, 83976573, 139960955, 195945337, 231171465, 419882865, 587836011, 979726685, 1371617359, 2939180055, 4114852077, 6858086795, 20574260385]

約数ペア:

[(1, 20574260385), (3, 6858086795), (5, 4114852077), (7, 2939180055), (15, 1371617359), (21, 979726685), (35, 587836011), (49, 419882865), (89, 231171465), (105, 195945337), (147, 139960955), (245, 83976573), (267, 77057155), (367, 56060655), (445, 46234293), (623, 33024495), (735, 27992191), (857, 24007305), (1101, 18686885), (1335, 15411431), (1835, 11212131), (1869, 11008165), (2569, 8008665), (2571, 8002435), (3115, 6604899), (4285, 4801461), (4361, 4717785), (5505, 3737377), (5999, 3429615), (7707, 2669555), (9345, 2201633), (12845, 1601733), (12855, 1600487), (13083, 1572595), (17983, 1144095), (17997, 1143205), (21805, 943557), (29995, 685923), (32663, 629895), (38535, 533911), (41993, 489945), (53949, 381365), (65415, 314519), (76273, 269745), (89915, 228819), (89985, 228641), (97989, 209965), (125979, 163315)]