20512355895

素因数分解:

$3^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{396719}}^1$

素因数の和:397116

約数の個数: 32

約数和(自身を含む): 36561715200

約数和(自身を除く): 16049359305

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 383, 1149, 1915, 3447, 5745, 10341, 17235, 51705, 396719, 1190157, 1983595, 3570471, 5950785, 10711413, 17852355, 53557065, 151943377, 455830131, 759716885, 1367490393, 2279150655, 4102471179, 6837451965, 20512355895]

約数ペア:

[(1, 20512355895), (3, 6837451965), (5, 4102471179), (9, 2279150655), (15, 1367490393), (27, 759716885), (45, 455830131), (135, 151943377), (383, 53557065), (1149, 17852355), (1915, 10711413), (3447, 5950785), (5745, 3570471), (10341, 1983595), (17235, 1190157), (51705, 396719)]