20557625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{14951}}^1$

素因数の和:14977

約数の個数: 16

約数和(自身を含む): 27990144

約数和(自身を除く): 7432519

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 14951, 74755, 164461, 373775, 822305, 1868875, 4111525, 20557625]

約数ペア:

[(1, 20557625), (5, 4111525), (11, 1868875), (25, 822305), (55, 373775), (125, 164461), (275, 74755), (1375, 14951)]