200021915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1013}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 268085376

約数和(自身を除く): 68063461

約数列:

[1, 5, 17, 23, 85, 101, 115, 391, 505, 1013, 1717, 1955, 2323, 5065, 8585, 11615, 17221, 23299, 39491, 86105, 102313, 116495, 197455, 396083, 511565, 1739321, 1980415, 2353199, 8696605, 11765995, 40004383, 200021915]

約数ペア:

[(1, 200021915), (5, 40004383), (17, 11765995), (23, 8696605), (85, 2353199), (101, 1980415), (115, 1739321), (391, 511565), (505, 396083), (1013, 197455), (1717, 116495), (1955, 102313), (2323, 86105), (5065, 39491), (8585, 23299), (11615, 17221)]