20599803

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4139}}^1$

素因数の和:4231

約数の個数: 24

約数和(自身を含む): 34444800

約数和(自身を除く): 13844997

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4139, 4977, 12417, 28973, 37251, 86919, 260757, 326981, 980943, 2288867, 2942829, 6866601, 20599803]

約数ペア:

[(1, 20599803), (3, 6866601), (7, 2942829), (9, 2288867), (21, 980943), (63, 326981), (79, 260757), (237, 86919), (553, 37251), (711, 28973), (1659, 12417), (4139, 4977)]