20917366855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{16529}}^1$

素因数の和:16744

約数の個数: 64

約数和(自身を含む): 33134054400

約数和(自身を除く): 12216687545

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 173, 209, 385, 665, 865, 1045, 1211, 1463, 1903, 3287, 6055, 7315, 9515, 13321, 16435, 16529, 23009, 36157, 66605, 82645, 115045, 115703, 180785, 181819, 253099, 314051, 578515, 909095, 1265495, 1272733, 1570255, 2198357, 2859517, 3454561, 6363665, 10991785, 14297585, 17272805, 20016619, 24181927, 31454687, 54330823, 100083095, 120909635, 157273435, 220182809, 271654115, 380315761, 597639053, 1100914045, 1901578805, 2988195265, 4183473371, 20917366855]

約数ペア:

[(1, 20917366855), (5, 4183473371), (7, 2988195265), (11, 1901578805), (19, 1100914045), (35, 597639053), (55, 380315761), (77, 271654115), (95, 220182809), (133, 157273435), (173, 120909635), (209, 100083095), (385, 54330823), (665, 31454687), (865, 24181927), (1045, 20016619), (1211, 17272805), (1463, 14297585), (1903, 10991785), (3287, 6363665), (6055, 3454561), (7315, 2859517), (9515, 2198357), (13321, 1570255), (16435, 1272733), (16529, 1265495), (23009, 909095), (36157, 578515), (66605, 314051), (82645, 253099), (115045, 181819), (115703, 180785)]