20199871299

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{937}}^1\times {\mathrm{3347}}^1$

素因数の和:4419

約数の個数: 32

約数和(自身を含む): 28640666880

約数和(自身を除く): 8440795581

約数列:

[1, 3, 19, 57, 113, 339, 937, 2147, 2811, 3347, 6441, 10041, 17803, 53409, 63593, 105881, 190779, 317643, 378211, 1134633, 2011739, 3136139, 6035217, 7186009, 9408417, 21558027, 59586641, 178759923, 354383707, 1063151121, 6733290433, 20199871299]

約数ペア:

[(1, 20199871299), (3, 6733290433), (19, 1063151121), (57, 354383707), (113, 178759923), (339, 59586641), (937, 21558027), (2147, 9408417), (2811, 7186009), (3347, 6035217), (6441, 3136139), (10041, 2011739), (17803, 1134633), (53409, 378211), (63593, 317643), (105881, 190779)]