20515690516

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{6911}}^1$

素因数の和:7264

約数の個数: 48

約数和(自身を含む): 37611786240

約数和(自身を除く): 17096095724

約数列:

[1, 2, 4, 29, 58, 116, 157, 163, 314, 326, 628, 652, 4553, 4727, 6911, 9106, 9454, 13822, 18212, 18908, 25591, 27644, 51182, 102364, 200419, 400838, 742139, 801676, 1085027, 1126493, 1484278, 2170054, 2252986, 2968556, 4340108, 4505972, 31465783, 32668297, 62931566, 65336594, 125863132, 130673188, 176859401, 353718802, 707437604, 5128922629, 10257845258, 20515690516]

約数ペア:

[(1, 20515690516), (2, 10257845258), (4, 5128922629), (29, 707437604), (58, 353718802), (116, 176859401), (157, 130673188), (163, 125863132), (314, 65336594), (326, 62931566), (628, 32668297), (652, 31465783), (4553, 4505972), (4727, 4340108), (6911, 2968556), (9106, 2252986), (9454, 2170054), (13822, 1484278), (18212, 1126493), (18908, 1085027), (25591, 801676), (27644, 742139), (51182, 400838), (102364, 200419)]