20085375

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2819}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 35193600

約数和(自身を除く): 15108225

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 2819, 7125, 8457, 14095, 42285, 53561, 70475, 160683, 211425, 267805, 352375, 803415, 1057125, 1339025, 4017075, 6695125, 20085375]

約数ペア:

[(1, 20085375), (3, 6695125), (5, 4017075), (15, 1339025), (19, 1057125), (25, 803415), (57, 352375), (75, 267805), (95, 211425), (125, 160683), (285, 70475), (375, 53561), (475, 42285), (1425, 14095), (2375, 8457), (2819, 7125)]