20755935

素因数分解:

$3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1217}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 36101520

約数和(自身を除く): 15345585

約数列:

[1, 3, 5, 9, 15, 45, 379, 1137, 1217, 1895, 3411, 3651, 5685, 6085, 10953, 17055, 18255, 54765, 461243, 1383729, 2306215, 4151187, 6918645, 20755935]

約数ペア:

[(1, 20755935), (3, 6918645), (5, 4151187), (9, 2306215), (15, 1383729), (45, 461243), (379, 54765), (1137, 18255), (1217, 17055), (1895, 10953), (3411, 6085), (3651, 5685)]