20079966460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2297479}}^1$

素因数の和:2297530

約数の個数: 48

約数和(自身を含む): 46317196800

約数和(自身を除く): 26237230340

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 2297479, 4594958, 9189916, 11487395, 22974790, 43652101, 45949580, 52842017, 87304202, 105684034, 174608404, 211368068, 218260505, 264210085, 436521010, 528420170, 873042020, 1003998323, 1056840340, 2007996646, 4015993292, 5019991615, 10039983230, 20079966460]

約数ペア:

[(1, 20079966460), (2, 10039983230), (4, 5019991615), (5, 4015993292), (10, 2007996646), (19, 1056840340), (20, 1003998323), (23, 873042020), (38, 528420170), (46, 436521010), (76, 264210085), (92, 218260505), (95, 211368068), (115, 174608404), (190, 105684034), (230, 87304202), (380, 52842017), (437, 45949580), (460, 43652101), (874, 22974790), (1748, 11487395), (2185, 9189916), (4370, 4594958), (8740, 2297479)]