20197753340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1\times {\mathrm{21851}}^1$

素因数の和:22382

約数の個数: 48

約数和(自身を含む): 42897224160

約数和(自身を除く): 22699470820

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 409, 452, 565, 818, 1130, 1636, 2045, 2260, 4090, 8180, 21851, 43702, 46217, 87404, 92434, 109255, 184868, 218510, 231085, 437020, 462170, 924340, 2469163, 4938326, 8937059, 9876652, 12345815, 17874118, 24691630, 35748236, 44685295, 49383260, 89370590, 178741180, 1009887667, 2019775334, 4039550668, 5049438335, 10098876670, 20197753340]

約数ペア:

[(1, 20197753340), (2, 10098876670), (4, 5049438335), (5, 4039550668), (10, 2019775334), (20, 1009887667), (113, 178741180), (226, 89370590), (409, 49383260), (452, 44685295), (565, 35748236), (818, 24691630), (1130, 17874118), (1636, 12345815), (2045, 9876652), (2260, 8937059), (4090, 4938326), (8180, 2469163), (21851, 924340), (43702, 462170), (46217, 437020), (87404, 231085), (92434, 218510), (109255, 184868)]