20937517995

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{709}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 34424208000

約数和(自身を除く): 13486690005

約数列:

[1, 3, 5, 15, 73, 149, 181, 219, 365, 447, 543, 709, 745, 905, 1095, 2127, 2235, 2715, 3545, 10635, 10877, 13213, 26969, 32631, 39639, 51757, 54385, 66065, 80907, 105641, 128329, 134845, 155271, 163155, 198195, 258785, 316923, 384987, 404535, 528205, 641645, 776355, 1584615, 1924935, 1968737, 5906211, 7711793, 9368017, 9843685, 19121021, 23135379, 28104051, 29531055, 38558965, 46840085, 57363063, 95605105, 115676895, 140520255, 286815315, 1395834533, 4187503599, 6979172665, 20937517995]

約数ペア:

[(1, 20937517995), (3, 6979172665), (5, 4187503599), (15, 1395834533), (73, 286815315), (149, 140520255), (181, 115676895), (219, 95605105), (365, 57363063), (447, 46840085), (543, 38558965), (709, 29531055), (745, 28104051), (905, 23135379), (1095, 19121021), (2127, 9843685), (2235, 9368017), (2715, 7711793), (3545, 5906211), (10635, 1968737), (10877, 1924935), (13213, 1584615), (26969, 776355), (32631, 641645), (39639, 528205), (51757, 404535), (54385, 384987), (66065, 316923), (80907, 258785), (105641, 198195), (128329, 163155), (134845, 155271)]