20129025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1667}}^1$

素因数の和:1710

約数の個数: 48

約数和(自身を含む): 39711744

約数和(自身を除く): 19582719

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1667, 1725, 2415, 4025, 5001, 8335, 11669, 12075, 25005, 35007, 38341, 41675, 58345, 115023, 125025, 175035, 191705, 268387, 291725, 575115, 805161, 875175, 958525, 1341935, 2875575, 4025805, 6709675, 20129025]

約数ペア:

[(1, 20129025), (3, 6709675), (5, 4025805), (7, 2875575), (15, 1341935), (21, 958525), (23, 875175), (25, 805161), (35, 575115), (69, 291725), (75, 268387), (105, 191705), (115, 175035), (161, 125025), (175, 115023), (345, 58345), (483, 41675), (525, 38341), (575, 35007), (805, 25005), (1667, 12075), (1725, 11669), (2415, 8335), (4025, 5001)]