20877884408

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{158003}}^1$

素因数の和:158291

約数の個数: 32

約数和(自身を含む): 39817008000

約数和(自身を除く): 18939123592

約数列:

[1, 2, 4, 8, 83, 166, 199, 332, 398, 664, 796, 1592, 16517, 33034, 66068, 132136, 158003, 316006, 632012, 1264024, 13114249, 26228498, 31442597, 52456996, 62885194, 104913992, 125770388, 251540776, 2609735551, 5219471102, 10438942204, 20877884408]

約数ペア:

[(1, 20877884408), (2, 10438942204), (4, 5219471102), (8, 2609735551), (83, 251540776), (166, 125770388), (199, 104913992), (332, 62885194), (398, 52456996), (664, 31442597), (796, 26228498), (1592, 13114249), (16517, 1264024), (33034, 632012), (66068, 316006), (132136, 158003)]