20163781729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1\times {\mathrm{6343}}^1$

素因数の和:6737

約数の個数: 32

約数和(自身を含む): 25087322624

約数和(自身を除く): 4923540895

約数列:

[1, 7, 13, 91, 181, 193, 1267, 1351, 2353, 2509, 6343, 16471, 17563, 34933, 44401, 82459, 244531, 454129, 577213, 1148083, 1224199, 3178903, 8036581, 8569393, 14925079, 15914587, 104475553, 111402109, 221580019, 1551060133, 2880540247, 20163781729]

約数ペア:

[(1, 20163781729), (7, 2880540247), (13, 1551060133), (91, 221580019), (181, 111402109), (193, 104475553), (1267, 15914587), (1351, 14925079), (2353, 8569393), (2509, 8036581), (6343, 3178903), (16471, 1224199), (17563, 1148083), (34933, 577213), (44401, 454129), (82459, 244531)]