20773125

素因数分解:

$3^3\times 5^4\times {\mathrm{1231}}^1$

素因数の和:1260

約数の個数: 40

約数和(自身を含む): 38487680

約数和(自身を除く): 17714555

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1231, 1875, 3375, 3693, 5625, 6155, 11079, 16875, 18465, 30775, 33237, 55395, 92325, 153875, 166185, 276975, 461625, 769375, 830925, 1384875, 2308125, 4154625, 6924375, 20773125]

約数ペア:

[(1, 20773125), (3, 6924375), (5, 4154625), (9, 2308125), (15, 1384875), (25, 830925), (27, 769375), (45, 461625), (75, 276975), (125, 166185), (135, 153875), (225, 92325), (375, 55395), (625, 33237), (675, 30775), (1125, 18465), (1231, 16875), (1875, 11079), (3375, 6155), (3693, 5625)]