20563137

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10529}}^1$

素因数の和:10573

約数の個数: 24

約数和(自身を含む): 35043840

約数和(自身を除く): 14480703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10529, 31587, 73703, 94761, 221109, 326399, 663327, 979197, 2284793, 2937591, 6854379, 20563137]

約数ペア:

[(1, 20563137), (3, 6854379), (7, 2937591), (9, 2284793), (21, 979197), (31, 663327), (63, 326399), (93, 221109), (217, 94761), (279, 73703), (651, 31587), (1953, 10529)]