20218262078

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{668903}}^1$

素因数の和:669056

約数の個数: 32

約数和(自身を含む): 36987715584

約数和(自身を除く): 16769453506

約数列:

[1, 2, 7, 14, 17, 34, 119, 127, 238, 254, 889, 1778, 2159, 4318, 15113, 30226, 668903, 1337806, 4682321, 9364642, 11371351, 22742702, 79599457, 84950681, 159198914, 169901362, 594654767, 1189309534, 1444161577, 2888323154, 10109131039, 20218262078]

約数ペア:

[(1, 20218262078), (2, 10109131039), (7, 2888323154), (14, 1444161577), (17, 1189309534), (34, 594654767), (119, 169901362), (127, 159198914), (238, 84950681), (254, 79599457), (889, 22742702), (1778, 11371351), (2159, 9364642), (4318, 4682321), (15113, 1337806), (30226, 668903)]