20084055

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 35277984

約数和(自身を除く): 15193929

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 113, 123, 205, 255, 289, 339, 565, 615, 697, 867, 1445, 1695, 1921, 2091, 3485, 4335, 4633, 5763, 9605, 10455, 11849, 13899, 23165, 28815, 32657, 35547, 59245, 69495, 78761, 97971, 163285, 177735, 236283, 393805, 489855, 1181415, 1338937, 4016811, 6694685, 20084055]

約数ペア:

[(1, 20084055), (3, 6694685), (5, 4016811), (15, 1338937), (17, 1181415), (41, 489855), (51, 393805), (85, 236283), (113, 177735), (123, 163285), (205, 97971), (255, 78761), (289, 69495), (339, 59245), (565, 35547), (615, 32657), (697, 28815), (867, 23165), (1445, 13899), (1695, 11849), (1921, 10455), (2091, 9605), (3485, 5763), (4335, 4633)]