20936349

素因数分解:

$3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{757}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 34686080

約数和(自身を除く): 13749731

約数列:

[1, 3, 7, 9, 21, 63, 439, 757, 1317, 2271, 3073, 3951, 5299, 6813, 9219, 15897, 27657, 47691, 332323, 996969, 2326261, 2990907, 6978783, 20936349]

約数ペア:

[(1, 20936349), (3, 6978783), (7, 2990907), (9, 2326261), (21, 996969), (63, 332323), (439, 47691), (757, 27657), (1317, 15897), (2271, 9219), (3073, 6813), (3951, 5299)]