20730178

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77933}}^1$

素因数の和:77961

約数の個数: 16

約数和(自身を含む): 37408320

約数和(自身を除く): 16678142

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 77933, 155866, 545531, 1091062, 1480727, 2961454, 10365089, 20730178]

約数ペア:

[(1, 20730178), (2, 10365089), (7, 2961454), (14, 1480727), (19, 1091062), (38, 545531), (133, 155866), (266, 77933)]