20280551356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1117}}^1\times {\mathrm{4783}}^1$

素因数の和:5990

約数の個数: 48

約数和(自身を含む): 38787409024

約数和(自身を除く): 18506857668

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1117, 1898, 2234, 3796, 4468, 4783, 9566, 14521, 19132, 29042, 58084, 62179, 81541, 124358, 163082, 248716, 326164, 349159, 698318, 1060033, 1396636, 2120066, 4240132, 4539067, 5342611, 9078134, 10685222, 18156268, 21370444, 69453943, 138907886, 277815772, 390010603, 780021206, 1560042412, 5070137839, 10140275678, 20280551356]

約数ペア:

[(1, 20280551356), (2, 10140275678), (4, 5070137839), (13, 1560042412), (26, 780021206), (52, 390010603), (73, 277815772), (146, 138907886), (292, 69453943), (949, 21370444), (1117, 18156268), (1898, 10685222), (2234, 9078134), (3796, 5342611), (4468, 4539067), (4783, 4240132), (9566, 2120066), (14521, 1396636), (19132, 1060033), (29042, 698318), (58084, 349159), (62179, 326164), (81541, 248716), (124358, 163082)]