20785492

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3359}}^1$

素因数の和:3400

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 26630828

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 3359, 6188, 6718, 13436, 23513, 43667, 47026, 57103, 87334, 94052, 114206, 174668, 228412, 305669, 399721, 611338, 742339, 799442, 1222676, 1484678, 1598884, 2969356, 5196373, 10392746, 20785492]

約数ペア:

[(1, 20785492), (2, 10392746), (4, 5196373), (7, 2969356), (13, 1598884), (14, 1484678), (17, 1222676), (26, 799442), (28, 742339), (34, 611338), (52, 399721), (68, 305669), (91, 228412), (119, 174668), (182, 114206), (221, 94052), (238, 87334), (364, 57103), (442, 47026), (476, 43667), (884, 23513), (1547, 13436), (3094, 6718), (3359, 6188)]