20044240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13187}}^1$

素因数の和:13219

約数の個数: 40

約数和(自身を含む): 49059360

約数和(自身を除く): 29015120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13187, 26374, 52748, 65935, 105496, 131870, 210992, 250553, 263740, 501106, 527480, 1002212, 1054960, 1252765, 2004424, 2505530, 4008848, 5011060, 10022120, 20044240]

約数ペア:

[(1, 20044240), (2, 10022120), (4, 5011060), (5, 4008848), (8, 2505530), (10, 2004424), (16, 1252765), (19, 1054960), (20, 1002212), (38, 527480), (40, 501106), (76, 263740), (80, 250553), (95, 210992), (152, 131870), (190, 105496), (304, 65935), (380, 52748), (760, 26374), (1520, 13187)]