20715888

素因数分解:

$2^4\times 3^1\times {\mathrm{431581}}^1$

素因数の和:431592

約数の個数: 20

約数和(自身を含む): 53516168

約数和(自身を除く): 32800280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 431581, 863162, 1294743, 1726324, 2589486, 3452648, 5178972, 6905296, 10357944, 20715888]

約数ペア:

[(1, 20715888), (2, 10357944), (3, 6905296), (4, 5178972), (6, 3452648), (8, 2589486), (12, 1726324), (16, 1294743), (24, 863162), (48, 431581)]