20565886957

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{1663}}^1$

素因数の和:1886

約数の個数: 64

約数和(自身を含む): 27603763200

約数和(自身を除く): 7037876243

約数列:

[1, 7, 11, 19, 77, 79, 107, 133, 209, 553, 749, 869, 1177, 1463, 1501, 1663, 2033, 6083, 8239, 8453, 10507, 11641, 14231, 16511, 18293, 22363, 31597, 59171, 92983, 115577, 128051, 131377, 156541, 160607, 177941, 221179, 347567, 650881, 919639, 1124249, 1245587, 1445147, 1766677, 1957351, 2432969, 2496163, 3380879, 10116029, 12366739, 13701457, 14057339, 17473141, 23666153, 27457793, 37189669, 98401373, 154630729, 192204551, 260327683, 267089441, 1082415103, 1869626087, 2937983851, 20565886957]

約数ペア:

[(1, 20565886957), (7, 2937983851), (11, 1869626087), (19, 1082415103), (77, 267089441), (79, 260327683), (107, 192204551), (133, 154630729), (209, 98401373), (553, 37189669), (749, 27457793), (869, 23666153), (1177, 17473141), (1463, 14057339), (1501, 13701457), (1663, 12366739), (2033, 10116029), (6083, 3380879), (8239, 2496163), (8453, 2432969), (10507, 1957351), (11641, 1766677), (14231, 1445147), (16511, 1245587), (18293, 1124249), (22363, 919639), (31597, 650881), (59171, 347567), (92983, 221179), (115577, 177941), (128051, 160607), (131377, 156541)]