20622835

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{461}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 5323085

約数列:

[1, 5, 23, 115, 389, 461, 1945, 2305, 8947, 10603, 44735, 53015, 179329, 896645, 4124567, 20622835]

約数ペア:

[(1, 20622835), (5, 4124567), (23, 896645), (115, 179329), (389, 53015), (461, 44735), (1945, 10603), (2305, 8947)]