20169953215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1277}}^1\times {\mathrm{3137}}^1$

素因数の和:4491

約数の個数: 32

約数和(自身を含む): 25987158720

約数和(自身を除く): 5817205505

約数列:

[1, 5, 19, 53, 95, 265, 1007, 1277, 3137, 5035, 6385, 15685, 24263, 59603, 67681, 121315, 166261, 298015, 338405, 831305, 1285939, 3158959, 4005949, 6429695, 15794795, 20029745, 76113031, 212315297, 380565155, 1061576485, 4033990643, 20169953215]

約数ペア:

[(1, 20169953215), (5, 4033990643), (19, 1061576485), (53, 380565155), (95, 212315297), (265, 76113031), (1007, 20029745), (1277, 15794795), (3137, 6429695), (5035, 4005949), (6385, 3158959), (15685, 1285939), (24263, 831305), (59603, 338405), (67681, 298015), (121315, 166261)]