20850277

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 25944576

約数和(自身を除く): 5094299

約数列:

[1, 7, 19, 37, 133, 223, 259, 361, 703, 1561, 2527, 4237, 4921, 8251, 13357, 29659, 57757, 80503, 93499, 156769, 563521, 1097383, 2978611, 20850277]

約数ペア:

[(1, 20850277), (7, 2978611), (19, 1097383), (37, 563521), (133, 156769), (223, 93499), (259, 80503), (361, 57757), (703, 29659), (1561, 13357), (2527, 8251), (4237, 4921)]