20576413875

素因数分解:

$3^1\times 5^3\times {\mathrm{3671}}^1\times {\mathrm{14947}}^1$

素因数の和:18636

約数の個数: 32

約数和(自身を含む): 34250770944

約数和(自身を除く): 13674357069

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 3671, 11013, 14947, 18355, 44841, 55065, 74735, 91775, 224205, 275325, 373675, 458875, 1121025, 1376625, 1868375, 5605125, 54870437, 164611311, 274352185, 823056555, 1371760925, 4115282775, 6858804625, 20576413875]

約数ペア:

[(1, 20576413875), (3, 6858804625), (5, 4115282775), (15, 1371760925), (25, 823056555), (75, 274352185), (125, 164611311), (375, 54870437), (3671, 5605125), (11013, 1868375), (14947, 1376625), (18355, 1121025), (44841, 458875), (55065, 373675), (74735, 275325), (91775, 224205)]