20175375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 37679616

約数和(自身を除く): 17504241

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 67, 73, 75, 125, 165, 201, 219, 275, 335, 365, 375, 737, 803, 825, 1005, 1095, 1375, 1675, 1825, 2211, 2409, 3685, 4015, 4125, 4891, 5025, 5475, 8375, 9125, 11055, 12045, 14673, 18425, 20075, 24455, 25125, 27375, 53801, 55275, 60225, 73365, 92125, 100375, 122275, 161403, 269005, 276375, 301125, 366825, 611375, 807015, 1345025, 1834125, 4035075, 6725125, 20175375]

約数ペア:

[(1, 20175375), (3, 6725125), (5, 4035075), (11, 1834125), (15, 1345025), (25, 807015), (33, 611375), (55, 366825), (67, 301125), (73, 276375), (75, 269005), (125, 161403), (165, 122275), (201, 100375), (219, 92125), (275, 73365), (335, 60225), (365, 55275), (375, 53801), (737, 27375), (803, 25125), (825, 24455), (1005, 20075), (1095, 18425), (1375, 14673), (1675, 12045), (1825, 11055), (2211, 9125), (2409, 8375), (3685, 5475), (4015, 5025), (4125, 4891)]