20768103

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 11994777

約数列:

[1, 3, 9, 23, 27, 53, 69, 159, 207, 477, 621, 631, 1219, 1431, 1893, 3657, 5679, 10971, 14513, 17037, 32913, 33443, 43539, 100329, 130617, 300987, 391851, 769189, 902961, 2307567, 6922701, 20768103]

約数ペア:

[(1, 20768103), (3, 6922701), (9, 2307567), (23, 902961), (27, 769189), (53, 391851), (69, 300987), (159, 130617), (207, 100329), (477, 43539), (621, 33443), (631, 32913), (1219, 17037), (1431, 14513), (1893, 10971), (3657, 5679)]