20054025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4691}}^1$

素因数の和:4726

約数の個数: 36

約数和(自身を含む): 37817520

約数和(自身を除く): 17763495

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 4691, 14073, 23455, 42219, 70365, 89129, 117275, 211095, 267387, 351825, 445645, 802161, 1055475, 1336935, 2228225, 4010805, 6684675, 20054025]

約数ペア:

[(1, 20054025), (3, 6684675), (5, 4010805), (9, 2228225), (15, 1336935), (19, 1055475), (25, 802161), (45, 445645), (57, 351825), (75, 267387), (95, 211095), (171, 117275), (225, 89129), (285, 70365), (475, 42219), (855, 23455), (1425, 14073), (4275, 4691)]