20143920375

素因数分解:

$3^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{86501}}^1$

素因数の和:86551

約数の個数: 80

約数和(自身を含む): 39187482048

約数和(自身を除く): 19043561673

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 125, 135, 207, 225, 345, 375, 405, 575, 621, 675, 1035, 1125, 1725, 1863, 2025, 2875, 3105, 3375, 5175, 8625, 9315, 10125, 15525, 25875, 46575, 77625, 86501, 232875, 259503, 432505, 778509, 1297515, 1989523, 2162525, 2335527, 3892545, 5968569, 6487575, 7006581, 9947615, 10812625, 11677635, 17905707, 19462725, 29842845, 32437875, 35032905, 49738075, 53717121, 58388175, 89528535, 97313625, 149214225, 161151363, 175164525, 248690375, 268585605, 291940875, 447642675, 746071125, 805756815, 875822625, 1342928025, 2238213375, 4028784075, 6714640125, 20143920375]

約数ペア:

[(1, 20143920375), (3, 6714640125), (5, 4028784075), (9, 2238213375), (15, 1342928025), (23, 875822625), (25, 805756815), (27, 746071125), (45, 447642675), (69, 291940875), (75, 268585605), (81, 248690375), (115, 175164525), (125, 161151363), (135, 149214225), (207, 97313625), (225, 89528535), (345, 58388175), (375, 53717121), (405, 49738075), (575, 35032905), (621, 32437875), (675, 29842845), (1035, 19462725), (1125, 17905707), (1725, 11677635), (1863, 10812625), (2025, 9947615), (2875, 7006581), (3105, 6487575), (3375, 5968569), (5175, 3892545), (8625, 2335527), (9315, 2162525), (10125, 1989523), (15525, 1297515), (25875, 778509), (46575, 432505), (77625, 259503), (86501, 232875)]