20202117

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2\times {\mathrm{83}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 29733984

約数和(自身を除く): 9531867

約数列:

[1, 3, 13, 39, 79, 83, 237, 249, 1027, 1079, 3081, 3237, 6241, 6557, 18723, 19671, 81133, 85241, 243399, 255723, 518003, 1554009, 6734039, 20202117]

約数ペア:

[(1, 20202117), (3, 6734039), (13, 1554009), (39, 518003), (79, 255723), (83, 243399), (237, 85241), (249, 81133), (1027, 19671), (1079, 18723), (3081, 6557), (3237, 6241)]