20370861

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4093}}^1$

素因数の和:4185

約数の個数: 24

約数和(自身を含む): 34062080

約数和(自身を除く): 13691219

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4093, 4977, 12279, 28651, 36837, 85953, 257859, 323347, 970041, 2263429, 2910123, 6790287, 20370861]

約数ペア:

[(1, 20370861), (3, 6790287), (7, 2910123), (9, 2263429), (21, 970041), (63, 323347), (79, 257859), (237, 85953), (553, 36837), (711, 28651), (1659, 12279), (4093, 4977)]