20036067320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8211503}}^1$

素因数の和:8211575

約数の個数: 32

約数和(自身を含む): 45820192320

約数和(自身を除く): 25784125000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 8211503, 16423006, 32846012, 41057515, 65692024, 82115030, 164230060, 328460120, 500901683, 1001803366, 2003606732, 2504508415, 4007213464, 5009016830, 10018033660, 20036067320]

約数ペア:

[(1, 20036067320), (2, 10018033660), (4, 5009016830), (5, 4007213464), (8, 2504508415), (10, 2003606732), (20, 1001803366), (40, 500901683), (61, 328460120), (122, 164230060), (244, 82115030), (305, 65692024), (488, 41057515), (610, 32846012), (1220, 16423006), (2440, 8211503)]