20901933

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{787}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 32698848

約数和(自身を除く): 11796915

約数列:

[1, 3, 9, 13, 39, 117, 227, 681, 787, 2043, 2361, 2951, 7083, 8853, 10231, 26559, 30693, 92079, 178649, 535947, 1607841, 2322437, 6967311, 20901933]

約数ペア:

[(1, 20901933), (3, 6967311), (9, 2322437), (13, 1607841), (39, 535947), (117, 178649), (227, 92079), (681, 30693), (787, 26559), (2043, 10231), (2361, 8853), (2951, 7083)]