20384356

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 36451296

約数和(自身を除く): 16066940

約数列:

[1, 2, 4, 97, 107, 194, 214, 388, 428, 491, 982, 1964, 10379, 20758, 41516, 47627, 52537, 95254, 105074, 190508, 210148, 5096089, 10192178, 20384356]

約数ペア:

[(1, 20384356), (2, 10192178), (4, 5096089), (97, 210148), (107, 190508), (194, 105074), (214, 95254), (388, 52537), (428, 47627), (491, 41516), (982, 20758), (1964, 10379)]