20163698457

素因数分解:

$3^1\times 7^1\times {\mathrm{52673}}^1\times {\mathrm{18229}}^1$

素因数の和:70912

約数の個数: 16

約数和(自身を含む): 30727904640

約数和(自身を除く): 10564206183

約数列:

[1, 3, 7, 21, 18229, 52673, 54687, 127603, 158019, 368711, 382809, 1106133, 960176117, 2880528351, 6721232819, 20163698457]

約数ペア:

[(1, 20163698457), (3, 6721232819), (7, 2880528351), (21, 960176117), (18229, 1106133), (52673, 382809), (54687, 368711), (127603, 158019)]