20195514375

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2341}}^1$

素因数の和:2514

約数の個数: 80

約数和(自身を含む): 34767570816

約数和(自身を除く): 14572056441

約数列:

[1, 3, 5, 15, 25, 43, 75, 107, 125, 129, 215, 321, 375, 535, 625, 645, 1075, 1605, 1875, 2341, 2675, 3225, 4601, 5375, 7023, 8025, 11705, 13375, 13803, 16125, 23005, 26875, 35115, 40125, 58525, 66875, 69015, 80625, 100663, 115025, 175575, 200625, 250487, 292625, 301989, 345075, 503315, 575125, 751461, 877875, 1252435, 1463125, 1509945, 1725375, 2516575, 2875625, 3757305, 4389375, 6262175, 7549725, 8626875, 10770941, 12582875, 18786525, 31310875, 32312823, 37748625, 53854705, 62914375, 93932625, 156554375, 161564115, 188743125, 269273525, 469663125, 807820575, 1346367625, 4039102875, 6731838125, 20195514375]

約数ペア:

[(1, 20195514375), (3, 6731838125), (5, 4039102875), (15, 1346367625), (25, 807820575), (43, 469663125), (75, 269273525), (107, 188743125), (125, 161564115), (129, 156554375), (215, 93932625), (321, 62914375), (375, 53854705), (535, 37748625), (625, 32312823), (645, 31310875), (1075, 18786525), (1605, 12582875), (1875, 10770941), (2341, 8626875), (2675, 7549725), (3225, 6262175), (4601, 4389375), (5375, 3757305), (7023, 2875625), (8025, 2516575), (11705, 1725375), (13375, 1509945), (13803, 1463125), (16125, 1252435), (23005, 877875), (26875, 751461), (35115, 575125), (40125, 503315), (58525, 345075), (66875, 301989), (69015, 292625), (80625, 250487), (100663, 200625), (115025, 175575)]