20165223393

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{128599}}^1$

素因数の和:128762

約数の個数: 48

約数和(自身を含む): 35308416000

約数和(自身を除く): 15143192607

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 131, 133, 171, 393, 399, 917, 1179, 1197, 2489, 2751, 7467, 8253, 17423, 22401, 52269, 128599, 156807, 385797, 900193, 1157391, 2443381, 2700579, 7330143, 8101737, 16846469, 17103667, 21990429, 50539407, 51311001, 117925283, 151618221, 153933003, 320082911, 353775849, 960248733, 1061327547, 2240580377, 2880746199, 6721741131, 20165223393]

約数ペア:

[(1, 20165223393), (3, 6721741131), (7, 2880746199), (9, 2240580377), (19, 1061327547), (21, 960248733), (57, 353775849), (63, 320082911), (131, 153933003), (133, 151618221), (171, 117925283), (393, 51311001), (399, 50539407), (917, 21990429), (1179, 17103667), (1197, 16846469), (2489, 8101737), (2751, 7330143), (7467, 2700579), (8253, 2443381), (17423, 1157391), (22401, 900193), (52269, 385797), (128599, 156807)]