20176679817

素因数分解:

$3^2\times 7^1\times {\mathrm{2087}}^1\times {\mathrm{153457}}^1$

素因数の和:155557

約数の個数: 24

約数和(自身を含む): 33323711616

約数和(自身を除く): 13147031799

約数列:

[1, 3, 7, 9, 21, 63, 2087, 6261, 14609, 18783, 43827, 131481, 153457, 460371, 1074199, 1381113, 3222597, 9667791, 320264759, 960794277, 2241853313, 2882382831, 6725559939, 20176679817]

約数ペア:

[(1, 20176679817), (3, 6725559939), (7, 2882382831), (9, 2241853313), (21, 960794277), (63, 320264759), (2087, 9667791), (6261, 3222597), (14609, 1381113), (18783, 1074199), (43827, 460371), (131481, 153457)]