20163471251

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{421}}^1\times {\mathrm{1723}}^1$

素因数の和:2200

約数の個数: 48

約数和(自身を含む): 26610064128

約数和(自身を除く): 6446592877

約数列:

[1, 7, 11, 19, 77, 133, 209, 361, 421, 1463, 1723, 2527, 2947, 3971, 4631, 7999, 12061, 18953, 27797, 32417, 32737, 55993, 87989, 132671, 151981, 229159, 360107, 615923, 622003, 725383, 1063867, 1671791, 2520749, 4354021, 5077681, 6842033, 7979213, 11702537, 13782277, 47894231, 55854491, 96475939, 151605047, 261863263, 1061235329, 1833042841, 2880495893, 20163471251]

約数ペア:

[(1, 20163471251), (7, 2880495893), (11, 1833042841), (19, 1061235329), (77, 261863263), (133, 151605047), (209, 96475939), (361, 55854491), (421, 47894231), (1463, 13782277), (1723, 11702537), (2527, 7979213), (2947, 6842033), (3971, 5077681), (4631, 4354021), (7999, 2520749), (12061, 1671791), (18953, 1063867), (27797, 725383), (32417, 622003), (32737, 615923), (55993, 360107), (87989, 229159), (132671, 151981)]