20951053669

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{71081}}^1$

素因数の和:71221

約数の個数: 32

約数和(自身を含む): 26749578240

約数和(自身を除く): 5798524571

約数列:

[1, 7, 13, 41, 79, 91, 287, 533, 553, 1027, 3239, 3731, 7189, 22673, 42107, 71081, 294749, 497567, 924053, 2914321, 5615399, 6468371, 20400247, 37886173, 39307793, 73000187, 230231359, 265203211, 511001309, 1611619513, 2993007667, 20951053669]

約数ペア:

[(1, 20951053669), (7, 2993007667), (13, 1611619513), (41, 511001309), (79, 265203211), (91, 230231359), (287, 73000187), (533, 39307793), (553, 37886173), (1027, 20400247), (3239, 6468371), (3731, 5615399), (7189, 2914321), (22673, 924053), (42107, 497567), (71081, 294749)]