20546625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 39626496

約数和(自身を除く): 19079871

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 125, 165, 187, 255, 275, 293, 375, 425, 561, 825, 879, 935, 1275, 1375, 1465, 2125, 2805, 3223, 4125, 4395, 4675, 4981, 6375, 7325, 9669, 14025, 14943, 16115, 21975, 23375, 24905, 36625, 48345, 54791, 70125, 74715, 80575, 109875, 124525, 164373, 241725, 273955, 373575, 402875, 622625, 821865, 1208625, 1369775, 1867875, 4109325, 6848875, 20546625]

約数ペア:

[(1, 20546625), (3, 6848875), (5, 4109325), (11, 1867875), (15, 1369775), (17, 1208625), (25, 821865), (33, 622625), (51, 402875), (55, 373575), (75, 273955), (85, 241725), (125, 164373), (165, 124525), (187, 109875), (255, 80575), (275, 74715), (293, 70125), (375, 54791), (425, 48345), (561, 36625), (825, 24905), (879, 23375), (935, 21975), (1275, 16115), (1375, 14943), (1465, 14025), (2125, 9669), (2805, 7325), (3223, 6375), (4125, 4981), (4395, 4675)]