20169899720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{30529}}^1$

素因数の和:30822

約数の個数: 64

約数和(自身を含む): 46161360000

約数和(自身を除く): 25991460280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 199, 332, 398, 415, 664, 796, 830, 995, 1592, 1660, 1990, 3320, 3980, 7960, 16517, 30529, 33034, 61058, 66068, 82585, 122116, 132136, 152645, 165170, 244232, 305290, 330340, 610580, 660680, 1221160, 2533907, 5067814, 6075271, 10135628, 12150542, 12669535, 20271256, 24301084, 25339070, 30376355, 48602168, 50678140, 60752710, 101356280, 121505420, 243010840, 504247493, 1008494986, 2016989972, 2521237465, 4033979944, 5042474930, 10084949860, 20169899720]

約数ペア:

[(1, 20169899720), (2, 10084949860), (4, 5042474930), (5, 4033979944), (8, 2521237465), (10, 2016989972), (20, 1008494986), (40, 504247493), (83, 243010840), (166, 121505420), (199, 101356280), (332, 60752710), (398, 50678140), (415, 48602168), (664, 30376355), (796, 25339070), (830, 24301084), (995, 20271256), (1592, 12669535), (1660, 12150542), (1990, 10135628), (3320, 6075271), (3980, 5067814), (7960, 2533907), (16517, 1221160), (30529, 660680), (33034, 610580), (61058, 330340), (66068, 305290), (82585, 244232), (122116, 165170), (132136, 152645)]