20682935

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 10186057

約数列:

[1, 5, 7, 13, 35, 65, 91, 131, 347, 455, 655, 917, 1703, 1735, 2429, 4511, 4585, 8515, 11921, 12145, 22555, 31577, 45457, 59605, 157885, 227285, 318199, 590941, 1590995, 2954705, 4136587, 20682935]

約数ペア:

[(1, 20682935), (5, 4136587), (7, 2954705), (13, 1590995), (35, 590941), (65, 318199), (91, 227285), (131, 157885), (347, 59605), (455, 45457), (655, 31577), (917, 22555), (1703, 12145), (1735, 11921), (2429, 8515), (4511, 4585)]