20167043555

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 26838864000

約数和(自身を除く): 6671820445

約数列:

[1, 5, 19, 29, 89, 95, 145, 233, 353, 445, 551, 1165, 1691, 1765, 2581, 2755, 4427, 6707, 6757, 8455, 10237, 12905, 20737, 22135, 31417, 33535, 33785, 49039, 51185, 82249, 103685, 128383, 157085, 194503, 245195, 394003, 411245, 596923, 601373, 641915, 911093, 972515, 1562731, 1970015, 2385221, 2984615, 3006865, 4555465, 7320161, 7813655, 11426087, 11926105, 17310767, 36600805, 45319199, 57130435, 86553835, 139083059, 212284669, 226595995, 695415295, 1061423345, 4033408711, 20167043555]

約数ペア:

[(1, 20167043555), (5, 4033408711), (19, 1061423345), (29, 695415295), (89, 226595995), (95, 212284669), (145, 139083059), (233, 86553835), (353, 57130435), (445, 45319199), (551, 36600805), (1165, 17310767), (1691, 11926105), (1765, 11426087), (2581, 7813655), (2755, 7320161), (4427, 4555465), (6707, 3006865), (6757, 2984615), (8455, 2385221), (10237, 1970015), (12905, 1562731), (20737, 972515), (22135, 911093), (31417, 641915), (33535, 601373), (33785, 596923), (49039, 411245), (51185, 394003), (82249, 245195), (103685, 194503), (128383, 157085)]