20322055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 28413504

約数和(自身を除く): 8091449

約数列:

[1, 5, 13, 17, 53, 65, 85, 221, 265, 347, 689, 901, 1105, 1735, 3445, 4505, 4511, 5899, 11713, 18391, 22555, 29495, 58565, 76687, 91955, 239083, 312647, 383435, 1195415, 1563235, 4064411, 20322055]

約数ペア:

[(1, 20322055), (5, 4064411), (13, 1563235), (17, 1195415), (53, 383435), (65, 312647), (85, 239083), (221, 91955), (265, 76687), (347, 58565), (689, 29495), (901, 22555), (1105, 18391), (1735, 11713), (3445, 5899), (4505, 4511)]