20136029780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{89597}}^1$

素因数の和:90284

約数の個数: 48

約数和(自身を含む): 44841290256

約数和(自身を除く): 24705260476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 661, 1322, 2644, 3305, 6610, 11237, 13220, 22474, 44948, 56185, 89597, 112370, 179194, 224740, 358388, 447985, 895970, 1523149, 1791940, 3046298, 6092596, 7615745, 15231490, 30462980, 59223617, 118447234, 236894468, 296118085, 592236170, 1006801489, 1184472340, 2013602978, 4027205956, 5034007445, 10068014890, 20136029780]

約数ペア:

[(1, 20136029780), (2, 10068014890), (4, 5034007445), (5, 4027205956), (10, 2013602978), (17, 1184472340), (20, 1006801489), (34, 592236170), (68, 296118085), (85, 236894468), (170, 118447234), (340, 59223617), (661, 30462980), (1322, 15231490), (2644, 7615745), (3305, 6092596), (6610, 3046298), (11237, 1791940), (13220, 1523149), (22474, 895970), (44948, 447985), (56185, 358388), (89597, 224740), (112370, 179194)]