20860047

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1361}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 32720688

約数和(自身を除く): 11860641

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1361, 1703, 4083, 5109, 12249, 15327, 17693, 53079, 159237, 178291, 534873, 1604619, 2317783, 6953349, 20860047]

約数ペア:

[(1, 20860047), (3, 6953349), (9, 2317783), (13, 1604619), (39, 534873), (117, 178291), (131, 159237), (393, 53079), (1179, 17693), (1361, 15327), (1703, 12249), (4083, 5109)]