20218986567

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1\times {\mathrm{6827}}^1$

素因数の和:8352

約数の個数: 48

約数和(自身を含む): 33329106720

約数和(自身を除く): 13110120153

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1489, 1989, 4467, 6827, 13401, 19357, 20481, 25313, 58071, 61443, 75939, 88751, 116059, 174213, 227817, 266253, 329069, 348177, 798759, 987207, 1044531, 1508767, 2961621, 4526301, 10165403, 13578903, 30496209, 91488627, 132150239, 172811851, 396450717, 518435553, 1189352151, 1555306659, 2246554063, 6739662189, 20218986567]

約数ペア:

[(1, 20218986567), (3, 6739662189), (9, 2246554063), (13, 1555306659), (17, 1189352151), (39, 518435553), (51, 396450717), (117, 172811851), (153, 132150239), (221, 91488627), (663, 30496209), (1489, 13578903), (1989, 10165403), (4467, 4526301), (6827, 2961621), (13401, 1508767), (19357, 1044531), (20481, 987207), (25313, 798759), (58071, 348177), (61443, 329069), (75939, 266253), (88751, 227817), (116059, 174213)]